CVE-2026-18713: IBM I

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to privilege escalation via Navigator for i. An authenticated user could elevate privileges to a root user to execute commands.

Affected products

• IBM I: from 7.2, up to and including 7.6

Published 2026-08-12. Last modified 2026-08-13.