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CVE-2021-43226

Microsoft | WindowsAdded 2025-10-06Remediation Deadline 2025-10-27

Microsoft Windows Privilege Escalation Vulnerability

Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.

Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References