CVE-2025-21418 1

CVE-2025-21418: Microsoft Windows Ancillary Function Driver for Win Sock Heap-Based Buffer Overflow Vulnerability

Known Exploited Vulnerabilities CISA KEV Catalog Feb 11, 2025

Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

Vulnerabilities & Patching