CVE-2026-8312 PUBLISHED

Rockwell Automation Arena® - Memory Corruption Vulnerability

Assigner: Rockwell
Reserved: 11.05.2026 Published: 14.07.2026 Updated: 14.07.2026

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

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7

Product Status

Vendor Rockwell Auotmation
Product Arena® Simulation
Versions Default: unaffected
  • Version V17.00.00 and prior is affected

Solutions

Upgrade to  V17.00.01 or later

References

Problem Types

  • CWE-787 Out-of-bounds write CWE