CVE-2026-20859 | Microsoft Windows 11 24H2/11 25H2/Server 2025 Kernel-Mode Driver use after free

January 13, 2026 Yanac

A vulnerability classified as critical was found in Microsoft Windows 11 24H2/11 25H2/Server 2025. This affects an unknown function of the component Kernel-Mode Driver. The manipulation results in use after free.

This vulnerability was named CVE-2026-20859. The attack needs to be approached locally. There is no available exploit.

It is advisable to implement a patch to correct this issue.VulDB Recent EntriesRead More