What is CVE-2026-16904?

CVE-2026-16904 is a high-severity vulnerability in Ibm I, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-08-12.

How severe is CVE-2026-16904?

High severity. CVSS v3 base score is 8.1 out of 10.

Privilege escalation in Ibm I

CVE-2026-16904

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper privilege management during monitor owner reassignment.

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2026-16904?: CVE-2026-16904 is a high-severity vulnerability in Ibm I, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-08-12.
How severe is CVE-2026-16904?: High severity. CVSS v3 base score is 8.1 out of 10.