CVE-2026-17218: IBM I

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.

Affected products

• IBM I: from 7.3, up to and including 7.6

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