Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
zetlyn/cve-nvd vulnerability cve CVE-2026-67636 cpe cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:* cpe cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:* cpe cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:* known 2026-09-08
https://nvd.nist.gov/vuln/detail/CVE-2026-67636
Properties
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| product | Microsoft SQL Server 2019 (CU 32)receipt
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| vendor | Microsoftreceipt
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"lastModified": "2026-09-17T20:17:00.537",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.0,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 6.0,
"source": "secure@microsoft.com",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-67636",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T04:24:15.836260Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-08T18:18:23.893",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67636"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "secure@microsoft.com",
"type": "Secondary"
}
]
}
} |
Text
Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.