Use-after-free in Windows and Windows Server - CVE-2025-50159
Published: August 13, 2025
Vulnerability identifier: #VU113993
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-50159
CWE-ID: CWE-416
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 remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Remote Access Point-to-Point Protocol (PPP) EAP-TLS. A remote user can trick a victim to open a specially crafted COM object like an .rtf file and gain elevated privileges on the target system.
How to mitigate CVE-2025-50159
Install updates from vendor's website.