CVE-2026-83756 | Microsoft Windows up to Server 2025 Win32 Kernel Subsystem use after free

October 14, 2026 Yanac

A vulnerability classified as very critical has been found in Microsoft Windows up to Server 2025. The affected element is an unknown function of the component Win32 Kernel Subsystem. Performing a manipulation results in use after free.

This vulnerability is cataloged as CVE-2026-83756. The attack must be initiated from a local position. There is no exploit available.

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