CVE-2026-70076 | Microsoft Windows up to Server 2025 Win32 Kernel Subsystem use after free

October 13, 2026 Yanac

A vulnerability, which was classified as very critical, was found in Microsoft Windows 11 24H2/11 25H2/11 26H1/11 26H2/Server 2025. This vulnerability affects unknown code of the component Win32 Kernel Subsystem. The manipulation results in use after free.

This vulnerability is identified as CVE-2026-70076. The attack is only possible with local access. There is not any exploit available.

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