CVE-2026-83861 | Microsoft Windows up to Server 2025 Remote Desktop Protocol heap-based overflow

October 14, 2026 Yanac

A vulnerability categorized as very critical has been discovered in Microsoft Windows. Affected by this vulnerability is an unknown functionality of the component Remote Desktop Protocol. Executing a manipulation can lead to heap-based buffer overflow.

This vulnerability is handled as CVE-2026-83861. It is possible to launch the attack on the local host. There is not any exploit available.

Applying a patch is advised to resolve this issue.VulDB Recent EntriesRead More