CVE-2026-17276: IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority…

PriorityP261critical9.9CVSS 3.1

AVNACLPRLUINSCCHIHAH

EPSS

0.47%

37.8th percentile

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority threads.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
ibm	i	—	—
ibm	i	—	—
ibm	i	—	—
ibm	i	—	—
ibm	i	7.3 – 7.6	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.