Buffer overflow in Ibm I

CVE-2026-16907

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to improper bounds checking.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

Affected products

Ibm I — versions 7.6, 7.5, 7.4

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2026-16907?: CVE-2026-16907 is a high-severity vulnerability in Ibm I, classified under Out-of-bounds Write. CVSS score: 7.6/10. Published 2026-08-12.
How severe is CVE-2026-16907?: High severity. CVSS v3 base score is 7.6 out of 10.