Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.

cve CVE-2025-62468 1 source, 1 claim · Watch

NVD writes:
Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally. Lectura fuera de límites en el Servicio de Cortafuegos de Windows Defender permite a un atacante autorizado divulgar información localmente. the claim

What it is to other things

affectsmicrosoft/windows_11_23h2
NVD
affectsmicrosoft/windows_11_24h2
NVD
affectsmicrosoft/windows_11_25h2
NVD
affectsmicrosoft/windows_server_2022_23h2
NVD
affectsmicrosoft/windows_server_2025
NVD
made_bymicrosoft
NVD

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

affectsmicrosoft/windows_11_version_22h3
NVD says “Microsoft · Windows 11 version 22H3”

What each source says

PropertySourceSaidMeans here
Cvss
cvss
NVD5.5
receipt
Source
NVD
Its words
5.5
Read by
field:cve.metrics.cvssMetricV31[].cvssData.baseScore
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "ARM64-based Systems"
            ],
            "product": "Windows 11 version 22H3",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.22631.6345",
                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Windows 11 Version 23H2",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.22631.6345",
                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "ARM64-based Systems",
              "x64-based Systems"
            ],
            "product": "Windows 11 Version 24H2",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.26100.7462",
                "status": "affected",
                "version": "10.0.26100.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "product": "Windows 11 Version 25H2",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.26200.7462",
                "status": "affected",
                "version": "10.0.26200.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.25398.2025",
                "status": "affected",
                "version": "10.0.25398.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Windows Server 2025",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.26100.7462",
                "status": "affected",
                "version": "10.0.26100.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Windows Server 2025 (Server Core installation)",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.26100.7462",
                "status": "affected",
                "version": "10.0.26100.0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secure@microsoft.com"
      }
    ],
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    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally."
      },
      {
        "lang": "es",
        "value": "Lectura fuera de límites en el Servicio de Cortafuegos de Windows Defender permite a un atacante autorizado divulgar información localmente."
      }
    ],
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            "privilegesRequired": "LOW",
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            "version": "3.1"
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          "source": "secure@microsoft.com",
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      "ssvcV203": [
        {
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            "timestamp": "2025-12-09T20:14:35.384339Z",
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          }
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    },
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      {
        "source": "secure@microsoft.com",
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    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Modified",
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            "value": "CWE-125"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}
—
Product
product
NVDWindows 11 version 22H3
receipt
Source
NVD
Its words
Windows 11 version 22H3
Read by
field:cve.affected[].affectedData[].product
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "ARM64-based Systems"
            ],
            "product": "Windows 11 version 22H3",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.22631.6345",
                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "x64-based Systems"
            ],
            "product": "Windows 11 Version 23H2",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
              "ARM64-based Systems",
              "x64-based Systems"
            ],
            "product": "Windows 11 Version 24H2",
            "vendor": "Microsoft",
            "versions": [
              {
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                "status": "affected",
                "version": "10.0.26100.0",
                "versionType": "custom"
              }
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          },
          {
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            "vendor": "Microsoft",
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            ]
          },
          {
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              }
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          {
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            ],
            "product": "Windows Server 2025",
            "vendor": "Microsoft",
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      },
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    ]
  }
}
—
Status
status
NVDModified
receipt
Source
NVD
Its words
Modified
Read by
field:cve.vulnStatus
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "cve": {
    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "ARM64-based Systems"
            ],
            "product": "Windows 11 version 22H3",
            "vendor": "Microsoft",
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                "versionType": "custom"
              }
            ]
          },
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              "x64-based Systems"
            ],
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            "vendor": "Microsoft",
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              {
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                "status": "affected",
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              }
            ]
          },
          {
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      },
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      }
    ],
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    ],
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      }
    ]
  }
}
—
Vendor
vendor
NVDMicrosoft
receipt
Source
NVD
Its words
Microsoft
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-10-02 12:00 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
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    "affected": [
      {
        "affectedData": [
          {
            "platforms": [
              "ARM64-based Systems"
            ],
            "product": "Windows 11 version 22H3",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.22631.6345",
                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
          },
          {
            "platforms": [
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            ],
            "product": "Windows 11 Version 23H2",
            "vendor": "Microsoft",
            "versions": [
              {
                "lessThan": "10.0.22631.6345",
                "status": "affected",
                "version": "10.0.22631.0",
                "versionType": "custom"
              }
            ]
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          {
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            "product": "Windows Server 2025",
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        "source": "secure@microsoft.com"
      }
    ],
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      {
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    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally."
      },
      {
        "lang": "es",
        "value": "Lectura fuera de límites en el Servicio de Cortafuegos de Windows Defender permite a un atacante autorizado divulgar información localmente."
      }
    ],
    "id": "CVE-2025-62468",
    "lastModified": "2026-09-30T20:10:00.247",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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          "type": "Secondary"
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          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
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            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2025-12-09T20:14:35.384339Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2025-12-09T18:15:58.893",
    "references": [
      {
        "source": "secure@microsoft.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62468"
      }
    ],
    "sourceIdentifier": "secure@microsoft.com",
    "vulnStatus": "Modified",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-125"
          }
        ],
        "source": "secure@microsoft.com",
        "type": "Secondary"
      }
    ]
  }
}
—

vulnerability

Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
zetlyn/cve-nvd · 2025-12-09
cvss 5.5 product Windows 11 version 22H3 status Modified vendor Microsoft source