CVE-2026-69738
Status: AnalyzedHigh (7.8)—
Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.33%
- Percentile among all scored CVEs: 24
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Primary impact
T1059Command and Scripting Interpreterexecution75 %
AV:L + PR:L + UI:N + CWE-190 (integer overflow) en Windows Biometric Service indica escalada de privilegios local sin interacción. El overflow permite ejecución de código con privilegios elevados.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (12)
Microsoft — Windows 10 1607Microsoft — Windows 10 1809Microsoft — Windows 10 21h2Microsoft — Windows 10 22h2Microsoft — Windows 11 23h2Microsoft — Windows 11 24h2Microsoft — Windows 11 25h2Microsoft — Windows 11 26h1Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022Microsoft — Windows Server 2025
CWEs
- CWE-122, CWE-190
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-69738",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-69738",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-09-09T18:17:31.341292Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 10 Version 1607",
"versions": [
{
"status": "affected",
"version": "10.0.14393.0",
"lessThan": "10.0.14393.9512",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 1809",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9245",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 21H2",
"versions": [
{
"status": "affected",
"version": "10.0.19044.0",
"lessThan": "10.0.19044.7725",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 22H2",
"versions": [
{
"status": "affected",
"version": "10.0.19045.0",
"lessThan": "10.0.19045.7725",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 version 23H2",
"versions": [
{
"status": "affected",
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7582",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 23H2",
"versions": [
{
"status": "affected",
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7582",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 24H2",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.9445",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 25H2",
"versions": [
{
"status": "affected",
"version": "10.0.26200.0",
"lessThan": "10.0.26200.9445",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 version 26H1",
"versions": [
{
"status": "affected",
"version": "10.0.28000.0",
"lessThan": "10.0.28000.2954",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2016",
"versions": [
{
"status": "affected",
"version": "10.0.14393.0",
"lessThan": "10.0.14393.9512",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2016 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.14393.0",
"lessThan": "10.0.14393.9512",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9245",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9245",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2022",
"versions": [
{
"status": "affected",
"version": "10.0.20348.0",
"lessThan": "10.0.20348.5622",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2025",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.33438",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2025 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.33438",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
}
]
}
],
"published": "2026-09-08T18:19:45.950",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69738",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
"value": "CWE-122"
},
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally."
}
],
"lastModified": "2026-09-14T14:43:40.660",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "F5BC051B-C14F-43DF-B3A2-A32EE0DDC142",
"versionEndExcluding": "10.0.14393.9512"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "D8DA8FA6-35F6-4E0F-A9C0-37CB88186C5B",
"versionEndExcluding": "10.0.14393.9512"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "81786843-7838-4C74-AEA6-E64B6B354387",
"versionEndExcluding": "10.0.17763.9245"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "D5E29D31-09E1-4C19-AAB0-191AA960C778",
"versionEndExcluding": "10.0.17763.9245"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "26BFC889-B503-48BF-9D82-5B3043D9A6B3",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "E6F2C029-D78A-4FAA-B2E8-FD79C2CABC32",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "0B423BD2-DDDC-4869-9B98-3275F53B92F1",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "254EF7C4-707D-4480-BC27-56F64175A9AD",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "B318C958-84F6-4E33-A95C-6E95C7E286EB",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "9828DC67-F252-4E2B-AFE9-C404BAF414E0",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "97D353CE-F9A4-46B5-BC5C-BF422E10785D",
"versionEndExcluding": "10.0.22631.7582"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "A2B42421-4694-4879-A69B-6A9192E2CFB8",
"versionEndExcluding": "10.0.22631.7582"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "990434BE-FE81-48CC-8803-94FAEB694DE2",
"versionEndExcluding": "10.0.26100.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "045BBF02-6FDD-44D4-B278-0C52A5406956",
"versionEndExcluding": "10.0.26100.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "948460EF-4053-4106-8D9E-4EDC3BF7B682",
"versionEndExcluding": "10.0.26200.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "D4F1D717-582C-446B-B90F-1D25028DA77F",
"versionEndExcluding": "10.0.26200.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "4B46D2B8-7E89-4818-862C-30B9751BA6EA",
"versionEndExcluding": "10.0.28000.2954"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "165C7909-F15B-4328-A175-B9FEF3BEB82D",
"versionEndExcluding": "10.0.28000.2954"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C7CF508B-369A-4854-97BF-EE90E0A5BF7B",
"versionEndExcluding": "10.0.14393.9512"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "14138B1B-9554-4B1D-84C6-485FB9763DA4",
"versionEndExcluding": "10.0.17763.9245"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "496A12F9-40BF-4A40-948B-BDB1C5D17DCB",
"versionEndExcluding": "10.0.20348.5622"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "48D75543-6B91-41E9-A1FB-1A09A2CBD738",
"versionEndExcluding": "10.0.26100.33438"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}