CVE-2026-12661

FactoryTalk® Historian Machine Edition - Out-of-Bounds Write Vulnerability

Published Sep 1, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation factorytalk Historian Machine Edition
Vendors & Products Rockwellautomation
Rockwellautomation factorytalk Historian Machine Edition
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title FactoryTalk® Historian Machine Edition - Out-of-Bounds Write Vulnerability
First Time appeared Rockwell Automation
Rockwell Automation factorytalk Historian Machine Edition
Weaknesses CWE-121
CPEs cpe:2.3:a:rockwell_automation:factorytalk_historian_machine_edition:series_c_7.101_series_b_5.202:*:*:*:*:*:*:*
Vendors & Products Rockwell Automation
Rockwell Automation factorytalk Historian Machine Edition
References
Metrics cvssV4_0

{'score': 4.8, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Sep 2, 2026, 12:52 PM
Reserved
Jun 18, 2026, 6:59 PM
Status
Awaiting Analysis
Published
Sep 1, 2026, 2:17 PM
Modified
Sep 1, 2026, 8:50 PM