CRITICALExploited in the wildUnknown

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

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-32709 ; https://nvd.nist.gov/vuln/detail/CVE-2025-32709

CVE-2025-32709Published 1 year agoSource: CISA KEV

Affected packages

No package-level mapping for this advisory.

Exploit signal

Known exploited (CISA KEV)
Yes
EPSS score
1.67%
EPSS percentile
74.4%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 74%.

Sources

No external sources available.

Recommended response stack

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Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability | HackTribune