CVE-2026-8314 – Rockwell Automation Arena® – Memory Corruption Vulnerability

CVE ID :CVE-2026-8314

Published : July 14, 2026, 1:19 p.m. | 11 minutes ago

Description :A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the siman.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.

Severity: 7.0 | HIGH

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