Back to board Open MSRC
MSRC compact vulnerability detail

CVE-2025-53141 · Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Severity
Important
Impact
Elevation of Privilege
CVSS
7.8 base · 6.8 temporal
Release
2025-08-12
Signals
Windows Ancillary Function Driver for WinSock Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-476: NULL Pointer Dereference
Patch Diff
Loading module diff metadata...
Resolved binary override
Use this when the MSRC module name cannot be mapped automatically or the resolved binary looks wrong.
Old version New version
Description
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.