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cve-2025-21191
About this tag
CVE-2025-21191 is a critical vulnerability in Windows Local Security Authority (LSA) that exploits a time-of-check time-of-use (TOCTOU) race condition. This flaw could allow an authorized attacker to elevate privileges locally, posing a significant risk to Windows systems. Discussions on WindowsForum cover the technical details, potential impact, and mitigation strategies for this vulnerability. IT administrators and security professionals should prioritize patching and review Microsoft's guidance to protect against privilege escalation attacks targeting LSA.
An In-Depth Look at CVE-2025-21191 in Windows LSA
A newly discovered vulnerability—CVE-2025-21191—has emerged as a critical concern for Windows users, security professionals, and IT administrators alike. This vulnerability exploits a time-of-check time-of-use (TOCTOU) race condition within the...