CVE-2025-54919

Published: Sep 9, 2025Modified: Sep 12, 2025

7.5

Vector

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

Exploitability: 0.8 / Impact: 6.0

Source: secure@microsoft.com (Secondary)

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code 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	Before 10.0.17763.7792
Microsoft Windows 10 1809	Before 10.0.17763.7792
Microsoft Windows 10 21h2	Before 10.0.19044.6332
Microsoft Windows 10 22h2	Before 10.0.19045.6332
Microsoft Windows 11 22h2	Before 10.0.22621.5909
Microsoft Windows 11 23h2	Before 10.0.22631.5909
Microsoft Windows 11 24h2	Before 10.0.26100.6508
Microsoft Windows Server 2019	Before 10.0.17763.7792
Microsoft Windows Server 2022	Before 10.0.20348.4106
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1849
Microsoft Windows Server 2025	Before 10.0.26100.6508

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54919

Source: secure@microsoft.com

Vendor Advisory

Timeline

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