CVE-2025-54919

HIGHCVSS 7.5/10EPSS 0.36%

Last modified

CVE-2025-54919 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.36%

27.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1809< 10.0.17763.7792
MicrosoftWindows 10 21h2< 10.0.19044.6332
MicrosoftWindows 10 22h2< 10.0.19045.6332
MicrosoftWindows 11 22h2< 10.0.22621.5909
MicrosoftWindows 11 23h2< 10.0.22631.5909
MicrosoftWindows 11 24h2< 10.0.26100.6508
MicrosoftWindows Server 2019< 10.0.17763.7792
MicrosoftWindows Server 2022< 10.0.20348.4106
MicrosoftWindows Server 2022 23h2< 10.0.25398.1849
MicrosoftWindows Server 2025< 10.0.26100.6508

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-54919?
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
How severe is CVE-2025-54919?
CVE-2025-54919 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2025-54919?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-54919?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST