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Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

PUBLISHED Reserved 2025-08-11 | Published 2025-09-09 | Updated 2026-02-26 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-416: Use After Free

Product status

10.0.17763.0 (custom) before 10.0.17763.7792
affected

10.0.19044.0 (custom) before 10.0.19044.6332
affected

10.0.19045.0 (custom) before 10.0.19045.6332
affected

10.0.22621.0 (custom) before 10.0.22621.5909
affected

10.0.22631.0 (custom) before 10.0.22631.5909
affected

10.0.22631.0 (custom) before 10.0.22631.5909
affected

10.0.26100.0 (custom) before 10.0.26100.6584
affected

10.0.17763.0 (custom) before 10.0.17763.7792
affected

10.0.17763.0 (custom) before 10.0.17763.7792
affected

10.0.20348.0 (custom) before 10.0.20348.4171
affected

10.0.25398.0 (custom) before 10.0.25398.1849
affected

10.0.26100.0 (custom) before 10.0.26100.6584
affected

10.0.26100.0 (custom) before 10.0.26100.6584
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55224 (Windows Hyper-V Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2025-55224)

nvd.nist.gov (CVE-2025-55224)

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