Actively exploited in the wild
Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2025-05-13. This indicates confirmed attacks in production environments.
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.
CVE-2025-32709
HighCVSS 7.8KEVSummary
Występuje dereferencja wskaźnika null w sterowniku funkcji pomocniczej Windows dla WinSock, co pozwala autoryzowanemu atakującemu na lokalne podniesienie uprawnień.
Risk Assessment
Atakujący z odpowiednimi uprawnieniami może wykorzystać tę podatność do uzyskania wyższych uprawnień w systemie, co może prowadzić do poważnych naruszeń bezpieczeństwa.
Recommendation
Zaleca się aktualizację systemu operacyjnego do najnowszej wersji, aby usunąć tę podatność oraz monitorowanie systemu w celu wykrycia nieautoryzowanych działań.
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Original NVD description (English source)
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.