CVE-2026-70243 | Microsoft Windows 11 23H2/Server 2025 Kernel use after free

October 14, 2026 Yanac

A vulnerability labeled as very critical has been found in Microsoft Windows 11 23H2/Server 2025. The affected element is an unknown function of the component Kernel. Such manipulation leads to use after free.

This vulnerability is referenced as CVE-2026-70243. The attack can only be performed from a local environment. No exploit is available.

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