CVE-2025-49661 | Microsoft Windows up to Server 2025 Ancillary Function Driver for WinSock untrusted pointer dereference (EUVD-2025-20645 / WID-SEC-2025-1850)
A vulnerability, which was classified as critical, has been found in Microsoft Windows. Affected is an unknown function of the component Ancillary Function Driver for WinSock. The manipulation leads to untrusted pointer dereference.
This vulnerability is traded as CVE-2025-49661. Local access is required to approach this attack. There is no exploit available.
It is recommended to apply a patch to fix this issue.