Vulnerability in Microsoft Windows_10_1809

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.

Vulnerability class: Race Condition

EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-54919?
CVE-2025-54919 is a high-severity vulnerability in Microsoft Windows_10_1809, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.5/10. Published 2025-09-09.
How severe is CVE-2025-54919?
High severity. CVSS v3 base score is 7.5 out of 10.