CVE-2026-83509 | Microsoft Windows up to Server 2025 Setup Files Cleanup untrusted search path

October 14, 2026 Yanac

A vulnerability was found in Microsoft Windows. It has been declared as critical. This affects an unknown function of the component Setup Files Cleanup. Such manipulation leads to untrusted search path.

This vulnerability is traded as CVE-2026-83509. An attack has to be approached locally. There is no exploit available.

It is advisable to implement a patch to correct this issue.VulDB Recent EntriesRead More