Untrusted Pointer Dereference in Microsoft Windows and Windows Server - CVE-2025-62549

Vulnerability identifier: #VU119464

CSH Severity: High

CVSS v4: 8.6 [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]

CVE-ID: CVE-2025-62549

CWE-ID: CWE-822

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6691, 10 22H2 10.0.19045.6691, 10 1607 10.0.14393.8688, 10 1809 10.0.17763.8146, 11 23H2 10.0.22631.6345, 11 24H2 10.0.26100.7392, 11 24H2 10.0.26100.7462
Windows Server - addressed in versions 2008 R2 6.1.7601.28064, 2008 6.0.6003.23666, 2012 R2 6.3.9600.22920, 2012 6.2.9200.25815, 2016 10.0.14393.8688, 2019 10.0.17763.8146, 2022 23H2 10.0.25398.2025, 2022 10.0.20348.4467, 2022 10.0.20348.4529, 2025 10.0.26100.7392, 2025 10.0.26100.7462

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-62549

• Multiple vulnerabilities in Microsoft Windows Routing and Remote Access Service (RRAS)