cve-2025-53141

About this tag
CVE-2025-53141 is a high-severity local elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys). A null pointer dereference in AFD.sys can be triggered by a locally authenticated attacker to elevate privileges to SYSTEM. This vulnerability affects Windows hosts and poses a significant security risk for enterprise IT environments. Discussions on WindowsForum.com cover the technical details of the flaw, its impact on system security, and mitigation strategies. Administrators are advised to apply Microsoft's security updates promptly to protect against potential exploitation.

  1. CVE-2025-53141: Null Pointer in AFD.sys Enables Local SYSTEM Elevation (WinSock)

    Microsoft’s advisory confirms that a null pointer dereference in the Windows Ancillary Function Driver for WinSock (AFD.sys) can be triggered by a locally authorized attacker to elevate privileges to SYSTEM, creating a high-impact local elevation-of-privilege (EoP) risk for affected Windows...
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    • afd.sys cve-2025-53141 endpoint detection eop extended security updates kernel drivers kernel vulnerability msrc null pointer dereference patch management privilege escalation system elevation threat hunting windows windows security winsock
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    • Forum: Security Alerts