Privilege escalation in Ibm I

CVE-2026-18193

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L.

Affected products

  • Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18193?
CVE-2026-18193 is a high-severity vulnerability in Ibm I, classified under Improper Privilege Management. CVSS score: 8.9/10. Published 2026-08-13.
How severe is CVE-2026-18193?
High severity. CVSS v3 base score is 8.9 out of 10.