RCE in IBM Aix

CVE-2026-16875

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to execute arbitrary commands due to shell metacharacter injection.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Aix — versions 7.2, 7.3
Ibm Powervm Vios — versions 4.1

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-16875?: CVE-2026-16875 is a high-severity vulnerability in IBM Aix, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-08-19.
How severe is CVE-2026-16875?: High severity. CVSS v3 base score is 7.8 out of 10.