Privilege escalation in IBM I

CVE-2026-102917

IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to an authenticated attacker elevating their privilege. A bad actor could exploit this vulnerability to perform operations with QSECOFR/Root authority on the system.

Vulnerability class: Privilege Escalation

Published · last modified .

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • IBM I — versions 7.3, 7.4, 7.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102917?
CVE-2026-102917 is a high-severity vulnerability in IBM I, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-10-16.
How severe is CVE-2026-102917?
High severity. CVSS v3 base score is 7.8 out of 10.