CVE-2026-11317
High
Description
A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when a crafted CIP message is sent. Devices with less memory are more likely to be affected. This can result in a major nonrecoverable fault (MNRF). A program download is required to recover.
SeverityHigh
CVSS8.7
Exploit probability—
ProductCompactLogix, ControlLogix
PublishedJun 16, 2026
First seenJun 16, 2026
Weakness typeCWE-404CWE-404
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rockwell Automation CompactLogix, ControlLogix | Versions prior to 34.016, Versions prior to 35.015, Versions prior to 36.012 | — |
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.