Aug 2025: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2025-50170 Published on August 12, 2025

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Weakness Type

Improper Handling of Insufficient Permissions or Privileges

The application does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the application in an invalid state.


Products Associated with CVE-2025-50170

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Affected Versions

Microsoft Windows 10 Version 1809: Microsoft Windows 10 Version 21H2: Microsoft Windows 10 Version 22H2: Microsoft Windows 11 version 22H2: Microsoft Windows 11 version 22H3: Microsoft Windows 11 Version 23H2: Microsoft Windows 11 Version 24H2: Microsoft Windows Server 2019: Microsoft Windows Server 2019 (Server Core installation): Microsoft Windows Server 2022: Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): Microsoft Windows Server 2025: Microsoft Windows Server 2025 (Server Core installation):

Exploit Probability

EPSS
0.07%
Percentile
21.64%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.