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Severity by source

NVD PRIMARY
7.0 HIGH
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.0

DescriptionCVE.org

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

AnalysisAI

Windows Ancillary Function Driver for WinSock in Windows Server 2025, 2022, and Windows 10 1809 contains insufficient input validation that allows authenticated local users to escalate privileges. An attacker with local access and valid credentials can exploit this vulnerability to gain elevated system permissions, though no patch is currently available. This HIGH severity vulnerability affects multiple Windows Server and client versions with no active exploit mitigation path.

Technical ContextAI

Improper validation of specified type of input 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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CVE-2026-25179 vulnerability details – vuln.today

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