Race condition in Windows and Windows Server - CVE-2026-54111
Published: July 17, 2026
Vulnerability identifier: #VU137935
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-54111
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to elevate privileges.
The vulnerability exists due to concurrent execution using shared resource with improper synchronization in Windows USB Print Driver when handling concurrent operations on a shared resource. A local user can trigger a race condition to elevate privileges.
The issue can also result in kernel memory read from a user mode process.
How to mitigate CVE-2026-54111
Install security update from vendor's website.