Use-after-free in Microsoft Windows and Windows Server - CVE-2025-29970

 

Use-after-free in Microsoft Windows and Windows Server - CVE-2025-29970

Published: May 13, 2025


Vulnerability identifier: #VU109100
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-29970
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 gain elevated privileges on the target system.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2025-29970

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 1607 10.0.14393.8066, 11 24H2 10.0.26100.3981, 11 24H2 10.0.26100.4061
Windows Server - addressed in versions 2012 R2 6.3.9600.22577, 2022 23H2 10.0.25398.1611, 2025 10.0.26100.3981, 2025 10.0.26100.4061

External References

Related Security Bulletins