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Windows Cloud Files Mini Filter Driver Privilege Escalation Vulnerability CVE-2025-62221

First seen 10 Dec 2025, 21:48 UTC

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ThreatCluster March 12, 2026 at 13:27 UTC

A use after free vulnerability in the Windows Cloud Files Mini Filter Driver allows authorized attackers to elevate privileges locally. This vulnerability is documented as CVE-2025-62221 and is referenced in CISA's BOD 22-01 and the Known Exploited Vulnerabilities Catalog for further guidance. Users and organizations utilizing affected software should review these resources for mitigation strategies.

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