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CVE-2025-32709CISA KEV

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

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to escalate privileges to administrator.

Product
Windows
Added to KEV
13 May 2025
Federal remediation due
3 Jun 2025
Known ransomware use
Not reported
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