CVE-2026-8085: Rockwell Automation Arena® - Memory Corruption Vulnerability

Published Jul 14, 2026
·
Updated

A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the model.exe (Siman) component. The vulnerability stems from improper validation of user-supplied data, which can result in an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process by convincing a user to open a malicious file.

Affected Software

2 affected components
Rockwell Automation Arena® Simulation
rockwellautomation Arena<17.00.01

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Arena® Simulation (model.exe Siman) to a version that resolves this vulnerability.

    Fixed in 17.00.01

Event History

Jul 14, 2026
CVE Published
via MITRE·12:40 PM
Data Sourced
via MITRE·12:40 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·01:19 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-8085?

The severity of CVE-2026-8085 is rated as high with a score of 7 on the CVSS scale.

2

What is the primary issue of CVE-2026-8085?

CVE-2026-8085 is a memory corruption vulnerability found in the model.exe component of Rockwell Automation Arena® Simulation.

3

How can an attacker exploit CVE-2026-8085?

An attacker can exploit CVE-2026-8085 by supplying malformed data that leads to an out-of-bounds write, potentially allowing for arbitrary code execution.

4

How do I fix CVE-2026-8085?

To fix CVE-2026-8085, ensure that the latest security patch from Rockwell Automation is applied, which addresses the memory corruption issue.

5

What versions of Rockwell Automation Arena® are affected by CVE-2026-8085?

CVE-2026-8085 affects specific versions of Rockwell Automation Arena® Simulation but details on affected versions are typically provided in the associated security advisory.

Contact

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