What is CVE-2026-19449?

CVE-2026-19449 is a high-severity vulnerability in IBM Aix, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-08-20.

How severe is CVE-2026-19449?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in IBM Aix

CVE-2026-19449

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 has a vulnerability in cmdnim that may allow an unprivileged local user to executes the payload as root.

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2026-19449?: CVE-2026-19449 is a high-severity vulnerability in IBM Aix, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-08-20.
How severe is CVE-2026-19449?: High severity. CVSS v3 base score is 8.8 out of 10.