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Industrial control advisorySeverity 8.0 high
Rockwell Automation Historian ME
ICSA-26-244-06 · CISA · September 1, 2026
Summary
Successful exploitation of these vulnerabilities could crash the device being accessed; an out-of-bounds write condition may allow remote code execution.
From CISA, quoted as published. Check the source before acting.
What to do
Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use Rockwell Automation's security best practices found at https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight.
If you have any questions regarding the security issue(s) above and how to mitigate them, contact TechConnect for help. More information can be found at https://www.rockwellautomation.com/en-us/company/about-us/contact-us.html.
If you have any questions regarding this disclosure, please contact PSIRT Email: [email protected]
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2025-12768 | 8.0 high | No | 0.4% |
| CVE-2026-12661 | 4.5 medium | No | 0.2% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Rockwell Automation | Series B |
| Rockwell Automation | Series C |
Why it's on these mode pages
- Maritime: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- September 1, 2026: Initial Publication
- September 9, 2026: Revision - Removed a typo in the vulnerability description
- November 9, 2026: First collected by Watch
Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com