CVE-2026-70271 | Microsoft Windows up to Server 2025 Win32 Kernel Subsystem use after free

October 14, 2026 Yanac

A vulnerability described as very critical has been identified in Microsoft Windows. This affects an unknown function of the component Win32 Kernel Subsystem. Executing a manipulation can lead to use after free.

This vulnerability is tracked as CVE-2026-70271. The attack is restricted to local execution. No exploit exists.

It is best practice to apply a patch to resolve this issue.VulDB Recent EntriesRead More