CVE-2026-8085
High
Description
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.
SeverityHigh
CVSS7.3
Exploit probability—
Product
Rockwellautomation Arena
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- rockwellautomation arena17.00.01 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rockwellautomation arena | v < 17.00.01 | 17.00.01 |
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