CVE-2025-55680

Published: Oct 14, 2025Modified: Jun 17, 2026

7.0

Vector

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

Exploitability: 1.0 / Impact: 5.9

Source: NVD

Description

Time-of-check time-of-use (toctou) race condition 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 11 25h2, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

11 products

Windows Server 2022 23h2

Windows Server 2025

Configuration A

11 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	version < 10.0.17763.7919
Microsoft Windows 10 21h2	version < 10.0.19044.6456
Microsoft Windows 10 22h2	version < 10.0.19045.6456
Microsoft Windows 11 22h2	version < 10.0.22621.6060
Microsoft Windows 11 23h2	version < 10.0.22631.6060
Microsoft Windows 11 24h2	version < 10.0.26100.6899
Microsoft Windows 11 25h2	version < 10.0.26200.6899
Microsoft Windows Server 2019	version < 10.0.17763.7919
Microsoft Windows Server 2022	version < 10.0.20348.4294
Microsoft Windows Server 2022 23h2	version < 10.0.25398.1913
Microsoft Windows Server 2025	version < 10.0.26100.6899

Related CWEs

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55680

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.