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CVE-2025-62221

CISA KEV

Published December 9, 2025 · Updated April 3, 2026

high
Official Description+

Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally.

Affected Products

VendorProduct
MicrosoftWindows

Patch Status

Patch by 2025-12-30

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2025-62221.