CVE-2026-9637
A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault (MNRF), requiring a power cycle to recover
- Published Sep 1, 2026
- CVSS 8.7 high
- 0.4% chance of exploitation in the next 30 days (EPSS)