CVE-2025-53145 Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

High 8.8 Published Updated

An authorized attacker can execute arbitrary code over the network via a type confusion vulnerability in Windows Message Queuing.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-53145?

CVE-2025-53145 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1507, published on 12 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network.

Weakness: CWE-843

Which versions are affected by CVE-2025-53145?

It affects 15 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.

How do I fix CVE-2025-53145?

No fix has been published for CVE-2025-53145 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-53145 being exploited?

There is no known exploitation of CVE-2025-53145 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-4q7r-2rr2-fm8q.

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