KEV · Actively exploited
CVE-2025-62221
HIGH 7.8
Vendor bulletin scale — NVD CVSS pending
KEV
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
EPSS
2.42%
above median
percentile 82.6%
CISA Known Exploited Vulnerability
- Added to KEV
- 2025-12-09
- Remediation deadline
- 2025-12-30
- 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.
- Ransomware
- Unknown (not documented by CISA)
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2025 Fixed in 10.0.26100.7462
- Windows Server 2022 (Server Core installation) Fixed in 10.0.20348.4529
- Windows Server 2022 Fixed in 10.0.25398.2025
- Windows Server 2019 Fixed in 10.0.17763.8146
- Windows 11 25H2 · 2025-H2 Fixed in 10.0.26200.7462
- Windows 11 24H2 · 2024-H2 Fixed in 10.0.26100.7462
- Windows 11 23H2 · 2023-H2 Fixed in 10.0.22631.6345
- Windows 10 22H2 · 2022-H2 Fixed in 10.0.19045.6691
- Windows 10 21H2 · 2021-H2 Fixed in 10.0.19044.6691
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.8146