CVE-2025-26667 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

What is CVE-2025-26667?

CVE-2025-26667 is a medium-severity vulnerability in Microsoft Windows Server 2008, published on 8 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Exposure of sensitive information to an unauthorized actor in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

Weakness: CWE-200

Which versions are affected by CVE-2025-26667?

It affects 7 products.

Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2 and 1 more.

How do I fix CVE-2025-26667?

No fix has been published for CVE-2025-26667 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-26667 being exploited?

There is no known exploitation of CVE-2025-26667 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows Server 2008

• CVE-2020-1350 Microsoft Windows DNS Server Remote Code Execution Exploited Critical 10.0
• CVE-2020-1040 Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Exploited Critical 9.0
• CVE-2011-1966 Memory corruption in n/a Critical 10.0
• CVE-2010-0239 Memory corruption in n/a Critical 10.0
• CVE-2010-0240 Code injection in n/a Critical 10.0

All Microsoft Windows Server 2008 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-c6h2-xp45-96cv.