CVE-2025-21418

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

  • Published Feb 11, 2025
  • CVSS 7.8 high
  • 1.6% chance of exploitation in the next 30 days (EPSS)
  • In CISA's Known Exploited Vulnerabilities catalog
  • A fix is available

Affected software

CVE-2025-21418 at the National Vulnerability Database