How severe is CVE-2026-11317?

CVE-2026-11317 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2026-11317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11317?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-11317 have an EU (EUVD) identifier?

Yes. CVE-2026-11317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37112.

When was CVE-2026-11317 published?

CVE-2026-11317 was published on 2026-06-16 and last updated on 2026-06-17.

CVE-2026-11317

CVE-2026-11317 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37112
Weakness: CWE-404
Published: 2026-06-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-11317?: 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.
How severe is CVE-2026-11317?: CVE-2026-11317 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2026-11317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-11317 have an EU (EUVD) identifier?: Yes. CVE-2026-11317 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37112.
When was CVE-2026-11317 published?: CVE-2026-11317 was published on 2026-06-16 and last updated on 2026-06-17.

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1772.html

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