Threat intelligence report · CISA KEV

CVE-2025-32709: Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability

Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to escalate privileges to administrator. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2025-05-13T00:00:00Z
Confidence basis
No actor match
Record ID
be370ffc2e9a3c0112e7

Vulnerabilities

CVE-2025-32709

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.