Out-of-bounds read in Windows and Windows Server - CVE-2025-62473
Published: December 9, 2025
Vulnerability identifier: #VU119463
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-62473
CWE-ID: CWE-125
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 gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Windows Routing and Remote Access Service (RRAS). A remote attacker can wait for a user to initiate a connection to a malicious server, trigger an out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2025-62473
Install updates from vendor's website.