CVE-2026-18069: IBM I

Medium severity, CVSS 6.0. EPSS: 0.1% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to obtain ownership of arbitrary file system objects due to a time-of-check to time-of-use (TOCTOU) race condition.

Affected products

• IBM I: version 7.6 only; version 7.5 only; version 7.4 only; version 7.3 only

Published 2026-09-14. Last modified 2026-09-16.