windows lsa

The Windows LSA tag covers discussions about the Local Security Authority subsystem in Microsoft Windows, a core component responsible for enforcing security policies and handling authentication. Content under this tag focuses on security vulnerabilities, particularly CVE-2025-21191, a critical TOCTOU race condition that could allow local privilege escalation. Topics include technical analysis of the vulnerability, its impact on Windows systems, and mitigation strategies for IT administrators and security professionals. The tag is relevant for those monitoring Windows security updates, understanding authentication mechanisms, or managing enterprise security configurations.