Untrusted Pointer Dereference in Windows and Windows Server - CVE-2025-62549
Published: December 9, 2025
Vulnerability identifier: #VU119464
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-62549
CWE-ID: CWE-822
Exploitation vector: Remote 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 execute arbitrary code on the system.
The vulnerability exists due to untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS). A remote attacker can trick a victim into sending a request to a malicious server and execute arbitrary code on the system.
How to mitigate CVE-2025-62549
Install updates from vendor's website.