Windows 10 22h2
CVE-2026-25176
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Ancillary Function Driver for WinSock in Windows 10 (all versions) and Windows 11 contains an access control weakness that enables authenticated local attackers to escalate privileges to system level. An attacker with standard user credentials can exploit this flaw to gain elevated rights on affected systems. No patch is currently available for this vulnerability.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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