CVE-2026-68820 | Microsoft Windows up to Server 2025 Ancillary Function Driver for WinSock use after free

August 12, 2026 Yanac

A vulnerability, which was classified as very critical, has been found in Microsoft Windows. This issue affects some unknown processing of the component Ancillary Function Driver for WinSock. The manipulation leads to use after free.

This vulnerability is referenced as CVE-2026-68820. The attack can only be performed from a local environment. No exploit is available.

It is suggested to install a patch to address this issue.VulDB Recent EntriesRead More