CVE-2025-21271

HIGH

Windows Cloud Files Mini Filter Driver Elevation of Privilege

Title source: llm
STIX 2.1

Description

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21271

Scores

CVSS v3 7.8
EPSS 0.0053
EPSS Percentile 40.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-126
Status published
Products (11)
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.5371
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.5371
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.3091
microsoft/windows_10_1809 < 10.0.17763.6775 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.5371
microsoft/windows_10_22h2 < 10.0.19045.5371
microsoft/windows_server_2019 < 10.0.17763.6775
... and 1 more
Published Jan 14, 2025
Tracked Since Feb 18, 2026