CVE-2026-61939 | Microsoft Windows up to Server 2025 Winlogon use after free

August 11, 2026 Yanac

A vulnerability classified as very critical has been found in Microsoft Windows. This impacts an unknown function of the component Winlogon. The manipulation leads to use after free.

This vulnerability is documented as CVE-2026-61939. The attack needs to be performed locally. There is not any exploit available.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More