Race condition in Microsoft Windows and Windows Server - CVE-2026-25184
Published: April 14, 2026
Vulnerability identifier: #VU126003
CSH Severity: Low
CVSS v4: 7.3 [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]
CVE-ID: CVE-2026-25184
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in Applocker Filter Driver (applockerfltr.sys). A local user can exploit the race and escalate privileges on the system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-25184
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.9060, 11 23H2 10.0.22631.6936, 11 24H2 10.0.26100.32690
Windows Server - addressed in versions 2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690
Windows Server - addressed in versions 2012 R2 6.3.9600.23132, 2022 23H2 10.0.25398.2274, 2025 10.0.26100.32690