Double free in Microsoft Windows and Windows Server - CVE-2025-49693
Published: July 9, 2025
Vulnerability identifier: #VU112575
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-2025-49693
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Microsoft Brokering File System. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system with elevated privileges.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-49693
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.8246, 11 22H2 10.0.22621.5624, 11 23H2 10.0.22631.5624, 11 24H2 10.0.26100.4652
Windows Server - addressed in versions 2022 23H2 10.0.22621.5472, 2022 23H2 10.0.25398.1732, 2025 10.0.26100.4652
Windows Server - addressed in versions 2022 23H2 10.0.22621.5472, 2022 23H2 10.0.25398.1732, 2025 10.0.26100.4652