8.7
High
CVE-2026-11317 A denial of service security issue exists in the affected product
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| CompactLogix, ControlLogix | Versions not published |