CVE-2026-12661
FactoryTalk® Historian Machine Edition - Out-of-Bounds Write Vulnerability
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 1, 2026
- Updated
- Sep 2, 2026
- Reserved
- Jun 18, 2026
Description
A denial-of-service security issue exists within FactoryTalk® Historian Machine Edition. A network adjacent attacker who is authenticated could send crafted requests to the web interface, resulting in buffer overflow conditions that may cause the device to crash and become unresponsive.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | Rockwell |
Weaknesses
- CWE-121 Stack-based buffer overflow
Affected Products
| Product | Versions |
|---|---|
FactoryTalk® Historian Machine EditionRockwell Automation |
|
References
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