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Vulnerabilities / CVE-2025-62221

CVE-2025-62221

Published 2025-12-09 · published (not yet in NVD)

CVE-2025-62221

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2025-12-09, with a fix-by date of 2025-12-30. Patch it first.

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

7.8 HIGH
CVSS 3.1 · CNA
2.5%
chance of exploitation in the next 30 days (EPSS; higher than 84% of CVEs)

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Scores

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CCNA

Affected products

  • Microsoft Windows 10 Version 1809: 10.0.17763.0 to < 10.0.17763.8146
  • Microsoft Windows 10 Version 21H2: 10.0.19044.0 to < 10.0.19044.6691
  • Microsoft Windows 10 Version 22H2: 10.0.19045.0 to < 10.0.19045.6691
  • Microsoft Windows 11 version 22H3: 10.0.22631.0 to < 10.0.22631.6345
  • Microsoft Windows 11 Version 23H2: 10.0.22631.0 to < 10.0.22631.6345
  • Microsoft Windows 11 Version 24H2: 10.0.26100.0 to < 10.0.26100.7462
  • Microsoft Windows 11 Version 25H2: 10.0.26200.0 to < 10.0.26200.7462
  • Microsoft Windows Server 2019: 10.0.17763.0 to < 10.0.17763.8146
  • Microsoft Windows Server 2019 (Server Core installation): 10.0.17763.0 to < 10.0.17763.8146
  • Microsoft Windows Server 2022: 10.0.20348.0 to < 10.0.20348.4529
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): 10.0.25398.0 to < 10.0.25398.2025
  • Microsoft Windows Server 2025: 10.0.26100.0 to < 10.0.26100.7462
  • Microsoft Windows Server 2025 (Server Core installation): 10.0.26100.0 to < 10.0.26100.7462

Weakness: CWE-416

1 references (advisories, patches, write-ups)

Sources: CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.

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