CVE-2026-18683
High
Description
IBM i 7.6, 7.5, 7.4, and 7.3 is vulnerable to privilege escalation via Navigator for i. An authenticated user could elevate privileges to a root user to execute commands.
SeverityHigh
CVSS8.8
Exploit probability—
Product
I
PublishedAug 12, 2026
First seenAug 12, 2026
Weakness typeCWE-78OS command injection
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm i | 7.3, 7.4, 7.5, 7.6 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.