CVE-2026-10575 IBM MQ queue manager is vulnerable to remote code execution

High 8.8 Published 18 Sep 2026 Updated 21 Sep 2026

An authenticated attacker can trigger a heap buffer overflow in IBM MQ to execute code, escalate privileges, or cause denial of service.

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-2026-10575?

CVE-2026-10575 is a high-severity memory corruption vulnerability in Ibm Mq, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.

Weakness: CWE-122

Which versions are affected by CVE-2026-10575?

It affects 1 product.

Products include Ibm Mq.

How do I fix CVE-2026-10575?

No fix has been published for CVE-2026-10575 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-2026-10575 being exploited?

There is no known exploitation of CVE-2026-10575 in the wild and no public exploit code.

All Ibm Mq vulnerabilities

Sources

Also known as GHSA-jpvh-h2h3-ch9p.