CVE-2025-50170

Published: Aug 12, 2025Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

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

Affected (11)

Products: Microsoft: Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 22h2, Windows 11 23h2, Windows 11 24h2, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

10 products

Windows Server 2022 23h2

Windows Server 2025

Configuration A

11 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	version < 10.0.17763.7678
Microsoft Windows 10 1809	version < 10.0.17763.7678
Microsoft Windows 10 21h2	version < 10.0.19044.6216
Microsoft Windows 10 22h2	version < 10.0.19045.6216
Microsoft Windows 11 22h2	version < 10.0.22621.5768
Microsoft Windows 11 23h2	version < 10.0.22631.5768
Microsoft Windows 11 24h2	version < 10.0.26100.4851
Microsoft Windows Server 2019	version < 10.0.17763.7678
Microsoft Windows Server 2022	version < 10.0.20348.3989
Microsoft Windows Server 2022 23h2	version < 10.0.25398.1791
Microsoft Windows Server 2025	version < 10.0.26100.4851

Related CWEs

CWE-280

Improper Handling of Insufficient Permissions or Privileges

The product 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 product in an invalid state.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50170

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.