CISA Warns of Windows Privilege Escalation Vulnerability Exploited in Attacks

CISA has issued an urgent security advisory, adding Microsoft Windows privilege escalation vulnerability CVE-2021-43226 to its Known Exploited Vulnerabilities (KEV) catalog on October 6, 2025.  The vulnerability affects the Microsoft Windows Common Log File System (CLFS) Driver and poses significant security risks to enterprise environments. The CVE-2021-43226 vulnerability resides within Microsoft’s Common Log File System […]

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