Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

cve CVE-2026-73029 1 source, 1 claim · Watch

NVD writes:
Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network. the claim

Severity: MEDIUM NVD
CVSS: 6.5 NVD
Fixed in: 15.0.4490.9, 15.0.2190.7, 16.0.4275.2, 16.0.1200.5, 17.0.4085.5, 17.0.1135.8 NVD
Vendor: Microsoft NVD
Product: Microsoft SQL Server 2019 (CU 32) NVD
CWE: CWE-126 NVD

How far exploitation has got

No public code known
Proof of concept
Proof of concept, verified
A Metasploit module
Exploited in the wild
Used in ransomware campaigns

Timeline

2026-09-08

first spoke of it: Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

NVD

What it is to other things

affects	microsoft/sql_server_2019 NVD
affects	microsoft/sql_server_2022 NVD
affects	microsoft/sql_server_2025 NVD
made_by	microsoft NVD

In words only, so not counted until a person confirms one:

affects

microsoft/microsoft_sql_server_2019_cu_32

NVD says “Microsoft · Microsoft SQL Server 2019 (CU 32)”

Every value, with what each source said and its receipt

Property Source Said Means here

Automatable

automatable

NVD

At least one of those steps needs a person.

receipt

Source: NVD
Its words: no
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	no
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "21EA6405-BD37-4487-85FD-1B9CCCCF93F0",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
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                "vulnerable": true
              },
              {
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "1408DECC-BC22-4F27-8C49-C608FBF27FED",
                "versionEndExcluding": "17.0.4085.5",
                "versionStartIncluding": "17.0.4006.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS

cvss

NVD

6.5

receipt

Source: NVD
Its words: 6.5
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseScore || field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
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                "vulnerable": true
              },
              {
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              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
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    "cveTags": [],
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      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
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              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CVSS vector

cvss_vector

NVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

receipt

Source: NVD
Its words: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.vectorString || field:cve.metrics.cvssMetricV31[].cvssData.vectorString
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "C76C3735-9E01-4F1A-98D3-29B9072C69D2",
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                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "4117EB69-994D-4A8D-85EC-5AC12DF66DBD",
                "versionEndExcluding": "17.0.1135.8",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "1408DECC-BC22-4F27-8C49-C608FBF27FED",
                "versionEndExcluding": "17.0.4085.5",
                "versionStartIncluding": "17.0.4006.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

CWE

cwe

NVD

CWE-126

receipt

Source: NVD
Its words: CWE-126
Read by: field:cve.weaknesses[].description[].value
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	CWE-126
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "21EA6405-BD37-4487-85FD-1B9CCCCF93F0",
                "versionEndExcluding": "16.0.1200.5",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "C76C3735-9E01-4F1A-98D3-29B9072C69D2",
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                "vulnerable": true
              },
              {
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                "matchCriteriaId": "4117EB69-994D-4A8D-85EC-5AC12DF66DBD",
                "versionEndExcluding": "17.0.1135.8",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "1408DECC-BC22-4F27-8C49-C608FBF27FED",
                "versionEndExcluding": "17.0.4085.5",
                "versionStartIncluding": "17.0.4006.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Exploitation

exploitation

NVD

none

No evidence of exploitation, and no public proof of concept.

receipt

Source: NVD
Its words: none
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].exploitation
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	none
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "21EA6405-BD37-4487-85FD-1B9CCCCF93F0",
                "versionEndExcluding": "16.0.1200.5",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "C76C3735-9E01-4F1A-98D3-29B9072C69D2",
                "versionEndExcluding": "16.0.4275.2",
                "versionStartIncluding": "16.0.4003.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "4117EB69-994D-4A8D-85EC-5AC12DF66DBD",
                "versionEndExcluding": "17.0.1135.8",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "1408DECC-BC22-4F27-8C49-C608FBF27FED",
                "versionEndExcluding": "17.0.4085.5",
                "versionStartIncluding": "17.0.4006.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Fixed in

fixed_in

NVD

15.0.4490.9, 15.0.2190.7, 16.0.4275.2, 16.0.1200.5, 17.0.4085.5, 17.0.1135.8

receipt

Source: NVD
Its words: 15.0.4490.9, 15.0.2190.7, 16.0.4275.2, 16.0.1200.5, 17.0.4085.5, 17.0.1135.8
Read by: field:cve.affected[].affectedData[].versions[status=affected].lessThan
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	15.0.4490.9, 15.0.2190.7, 16.0.4275.2, 16.0.1200.5, 17.0.4085.5, 17.0.1135.8
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.4085.5",
                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "799073C2-2213-4F34-8F07-D6C10AC00578",
                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "5517BD13-C554-4318-8D4F-FBCC90A628DB",
                "versionEndExcluding": "15.0.4490.9",
                "versionStartIncluding": "15.0.4003.23",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "21EA6405-BD37-4487-85FD-1B9CCCCF93F0",
                "versionEndExcluding": "16.0.1200.5",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "C76C3735-9E01-4F1A-98D3-29B9072C69D2",
                "versionEndExcluding": "16.0.4275.2",
                "versionStartIncluding": "16.0.4003.1",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "4117EB69-994D-4A8D-85EC-5AC12DF66DBD",
                "versionEndExcluding": "17.0.1135.8",
                "vulnerable": true
              },
              {
                "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
                "matchCriteriaId": "1408DECC-BC22-4F27-8C49-C608FBF27FED",
                "versionEndExcluding": "17.0.4085.5",
                "versionStartIncluding": "17.0.4006.2",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Product

product

NVD

Microsoft SQL Server 2019 (CU 32)

receipt

Source: NVD
Its words: Microsoft SQL Server 2019 (CU 32)
Read by: field:cve.affected[].affectedData[].product
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Microsoft SQL Server 2019 (CU 32)
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.4490.9",
                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
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                "status": "affected",
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          },
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          },
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            ],
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    "cveTags": [],
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    ],
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            "integrityImpact": "NONE",
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            "userInteraction": "NONE",
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          },
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          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
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          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
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          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Severity

severity

NVD

MEDIUM

From 4.0 to 6.9.

receipt

Source: NVD
Its words: MEDIUM
Read by: field:cve.metrics.cvssMetricV31[type=Primary].cvssData.baseSeverity || field:cve.metrics.cvssMetricV31[].cvssData.baseSeverity
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	MEDIUM
2026-09-29 09:45 UTC	—

What the source handed over

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      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
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                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
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            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
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                "status": "affected",
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              }
            ]
          },
          {
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            ],
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            "vendor": "Microsoft",
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              }
            ]
          },
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            ],
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            "vendor": "Microsoft",
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                "status": "affected",
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              }
            ]
          },
          {
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              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
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                "status": "affected",
                "version": "17.0.0.0",
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              }
            ]
          },
          {
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            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
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                "status": "affected",
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
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      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
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              },
              {
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              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
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        "tags": [
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          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
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          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

medium

Status

status

NVD

Analyzed

receipt

Source: NVD
Its words: Analyzed
Read by: field:cve.vulnStatus
Said since: 2026-09-29 09:45 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "15.0.2190.7",
                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.4275.2",
                "status": "affected",
                "version": "16.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "16.0.1200.5",
                "status": "affected",
                "version": "16.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
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            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
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                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
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    ],
    "configurations": [
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    ],
    "cveTags": [],
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      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
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            "integrityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
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          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Technical impact

technical_impact

NVD

partial

The attacker gains limited control, or limited information.

receipt

Source: NVD
Its words: partial
Read by: field:cve.metrics.ssvcV203[].ssvcData.options[].technicalImpact
Said since: 2026-10-06 12:31 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-10-06 12:31 UTC	partial
2026-09-29 09:45 UTC	—

What the source handed over

{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
            "vendor": "Microsoft",
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                "status": "affected",
                "version": "15.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2019 (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "15.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
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            ]
          },
          {
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            ],
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              }
            ]
          },
          {
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              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
    "configurations": [
      {
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          {
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                "versionEndExcluding": "15.0.2190.7",
                "vulnerable": true
              },
              {
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              },
              {
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              },
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            ],
            "negate": false,
            "operator": "OR"
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        ]
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    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network."
      }
    ],
    "id": "CVE-2026-73029",
    "lastModified": "2026-09-15T16:11:20.427",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6,
          "source": "secure@microsoft.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-73029",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-09-08T19:49:21.841430Z",
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          }
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    },
    "published": "2026-09-08T18:20:32.987",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory",
          "Patch"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73029"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-126"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}

—

Vendor

vendor

NVD

Microsoft

receipt

Source: NVD
Its words: Microsoft
Read by: field:cve.affected[].affectedData[].vendor
Said since: 2026-09-29 17:49 UTC
Last answered: 2026-10-06 12:41 UTC
Original: open at the source

2026-09-29 17:49 UTC	Microsoft
2026-09-29 09:45 UTC	—

What the source handed over

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            ],
            "product": "Microsoft SQL Server 2019 (CU 32)",
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              }
            ]
          },
          {
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            ],
            "product": "Microsoft SQL Server 2022 (CU 26)",
            "vendor": "Microsoft",
            "versions": [
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            ]
          },
          {
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            ],
            "product": "Microsoft SQL Server 2022 (GDR)",
            "vendor": "Microsoft",
            "versions": [
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                "status": "affected",
                "version": "16.0.0",
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            ]
          },
          {
            "platforms": [
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            ],
            "product": "Microsoft SQL Server 2025 (CU8)",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "17.0.0.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "17.0.1135.8",
                "status": "affected",
                "version": "17.0.1050.2",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
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    ],
    "configurations": [
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        "nodes": [
          {
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    ],
    "sourceIdentifier": "secure@microsoft.com",
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        "type": "Secondary"
      }
    ]
  }
}

—

Every claim, by kind

vulnerability

Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

zetlyn/cve-nvd · 2026-09-08

automatable no cvss 6.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N cwe CWE-126 exploitation none fixed_in 15.0.4490.9, 15.0.2190.7, 16.0.4275.2, 16.0.1200.5, 17.0.4085.5, 17.0.1135.8 product Microsoft SQL Server 2019 (CU 32) severity MEDIUM status Analyzed technical_impact partial vendor Microsoft

source