Race condition in Windows and Windows Server - CVE-2026-32091
Published: April 14, 2026
Vulnerability identifier: #VU126018
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-32091
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 attacker to escalate privileges on the system.
The vulnerability exists due to a race condition in Microsoft Brokering File System. A local attacker can exploit the race and escalate privileges on the system.
How to mitigate CVE-2026-32091
Install updates from vendor's website.