Vulnerability · Published Jan 14, 2025 · Assigned by microsoft

CVE-2025-21271Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity security flaw in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 54.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.6775
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5371
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5371
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.6775
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.6775
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3091

Weakness: CWE-126 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References