CVE-2026-58638 | Microsoft Windows up to Server 2025 Boot Loader improper authorization

July 15, 2026 Yanac

A vulnerability was found in Microsoft Windows. It has been declared as very critical. Affected by this vulnerability is an unknown functionality of the component Boot Loader. The manipulation results in improper authorization.

This vulnerability is reported as CVE-2026-58638. The attack requires a local approach. No exploit exists.VulDB Recent EntriesRead More