CVE-2025-32709

Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability — Microsoft / Windows

Risk tier: Monitored

Description

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

Scoring

  • CVSS: 7.8 (HIGH, 3.1)
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2025-05-13
  • Remediation due date: 2025-06-03
  • Known ransomware campaign use: Unknown

Weakness types (CWE)

  • CWE-416

References

More HIGH-severity vulnerabilities · All exploited vulnerabilities