CVE-2026-16869 Vulnerabilities in IBM AIX and PowerVM VIOS
A local attacker can execute arbitrary code on IBM AIX and PowerVM VIOS due to improperly scrubbed environment variables.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16869?
CVE-2026-16869 is a high-severity vulnerability in Ibm Aix, published on 19 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary code due to improperly scrubbed environment variables.
Weakness: CWE-426
Which versions are affected by CVE-2026-16869?
It affects 2 products.
How do I fix CVE-2026-16869?
No fix has been published for CVE-2026-16869 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16869 being exploited?
There is no known exploitation of CVE-2026-16869 in the wild and no public exploit code.
Other vulnerabilities in Ibm Aix
Sources
Also known as GHSA-73fm-w554-wj2g.