CVE-2025-21271

HIGH

Microsoft Windows 10 1809 < 10.0.17763.6775 - Buffer Over-read

Title source: rule

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVSS v3 7.8

EPSS 0.0028

EPSS Percentile 51.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-126

Status published

Products (5)

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

microsoft/windows_server_2022 < 10.0.20348.3091

Published Jan 14, 2025

Tracked Since Feb 18, 2026