CVE-2026-16975 IBM i is Affected By A Remote Code Execution Vulnerability []

High 8.8 Published Updated

A remote authenticated attacker can execute arbitrary code on IBM i systems via a heap-based buffer overflow vulnerability.

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-2026-16975?

CVE-2026-16975 is a high-severity memory corruption vulnerability in Ibm I, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.

Weakness: CWE-787

Which versions are affected by CVE-2026-16975?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-16975?

No fix has been published for CVE-2026-16975 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-2026-16975 being exploited?

There is no known exploitation of CVE-2026-16975 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-rhqq-gm5m-8qpg.

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