Main Vulnerability Database Vulnerabilities #VU123783

Use-after-free in Microsoft Windows and Windows Server - CVE-2026-25167

Published: March 10, 2026

Vulnerability identifier: #VU123783

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-2026-25167

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Microsoft Brokering File System. A local user can win a race condition and gain elevated privileges on the target system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-25167

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 1607 10.0.14393.8957, 11 24H2 10.0.26100.7979, 11 24H2 10.0.26100.8037
Windows Server - addressed in versions 2025 10.0.26100.32463, 2025 10.0.26100.32522

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25167

Related Security Bulletins