CVE-2026-8312

Description

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.

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html