CVE-2026-83894 | Microsoft Windows 11 24H2/11 25H2/11 26H1/11 26H2 RPC Runtime use after free

A vulnerability was found in Microsoft Windows 11 24H2/11 25H2/11 26H1/11 26H2. It has been rated as very critical. This affects an unknown function of the component RPC Runtime. This manipulation causes use after free.

This vulnerability is registered as CVE-2026-83894. The attack needs to be launched locally. No exploit is available.

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