What is CVE-2026-18669?

CVE-2026-18669 is a high-severity vulnerability in Ibm I, classified under CWE-250. CVSS score: 8.8/10. Published 2026-08-12.

How severe is CVE-2026-18669?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Ibm I

CVE-2026-18669

IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to a privilege escalation as the result of a remote code execution vulnerability in the activation engine component. An authenticated attacker can execute a maliciously planted script with root au…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

CWE-250

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-18669?: CVE-2026-18669 is a high-severity vulnerability in Ibm I, classified under CWE-250. CVSS score: 8.8/10. Published 2026-08-12.
How severe is CVE-2026-18669?: High severity. CVSS v3 base score is 8.8 out of 10.