CVE-2026-83761 | Microsoft Windows up to Server 2025 Win32 Kernel Subsystem use after free

October 14, 2026 Yanac

A vulnerability classified as very critical was found in Microsoft Windows up to Server 2025. The impacted element is an unknown function of the component Win32 Kernel Subsystem. Executing a manipulation can lead to use after free.

This vulnerability is registered as CVE-2026-83761. The attack needs to be launched locally. No exploit is available.

A patch should be applied to remediate this issue.VulDB Recent EntriesRead More