CVE-2025-62549 Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

High 8.8 Published Updated

An untrusted pointer dereference in Windows RRAS allows unauthorized attackers to execute code over a network.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-62549?

CVE-2025-62549 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 9 Dec 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

Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

Weakness: CWE-822

Which versions are affected by CVE-2025-62549?

It affects 14 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 8 more.

How do I fix CVE-2025-62549?

No fix has been published for CVE-2025-62549 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-62549 being exploited?

There is no known exploitation of CVE-2025-62549 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-qwrx-fp3h-w29g.

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