CVE-2025-21215 Details

A security feature bypass vulnerability has been identified in various Microsoft Windows operating systems, including several versions of Windows Server and Windows 10. This vulnerability allows an attacker to bypass the Secure Boot feature, which is designed to ensure that a device boots using only software that is trusted by the PC manufacturer. The vulnerability could be exploited by an attacker who has logged onto the system, potentially leading to the execution of unauthorized actions or the saving of invalid data states.

Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates are available through the Microsoft Update Catalog and can be installed via the Windows Update service. Specific update details can be found in the Microsoft Knowledge Base articles referenced in the Security Updates table.