CVE-2026-54107
Windows Win32k Elevation of Privilege Vulnerability
HIGH 7.0EPSS 0.2%
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
- Affected
- Microsoft · Windows 10 Version 1607 · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 Version 24H2 · Windows 11 Version 25H2
- CVSS v3.1 NVD
- 7.0 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 MICROSOFT
- 8.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - EPSS
- 0.21% chance of exploitation in the next 30 days, 11th percentile
- Published
- 2026-07-14
- Updated
- 2026-10-08
Proof-of-concept exploits (1)
- Pravin761/CVE-2026-541071★ · 2026-07-29