CVE-2026-20843 | Microsoft Windows up to Server 2025 RRAS access control

January 13, 2026 Yanac

A vulnerability, which was classified as critical, was found in Microsoft Windows. The impacted element is an unknown function of the component RRAS. The manipulation results in improper access controls.

This vulnerability is identified as CVE-2026-20843. The attack is only possible with local access. There is not any exploit available.

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