CVE-2026-26128 | Microsoft Windows up to Server 2025 SMB Server improper authentication
A vulnerability was found in Microsoft Windows and classified as critical. This issue affects some unknown processing of the component SMB Server. The manipulation results in improper authentication.
This vulnerability is identified as CVE-2026-26128. The attack is only possible with local access. There is not any exploit available.
It is best practice to apply a patch to resolve this issue.