CVE-2026-8312: Rockwell Automation Arena® - Memory Corruption Vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Rockwell Automation Arena (expmt.exe / Siman)to a version that resolves this vulnerability.Fixed in V17.00.01
Event History
Frequently Asked Questions
What is the severity of CVE-2026-8312?
CVE-2026-8312 has a severity rating of high, classified as a 7 on the CVSS scale.
How do I fix CVE-2026-8312?
To fix CVE-2026-8312, ensure that your Rockwell Automation Arena software is updated to the latest version provided by the vendor.
What type of vulnerability is CVE-2026-8312?
CVE-2026-8312 is a memory corruption vulnerability that occurs due to improper validation of user-supplied data.
What could an attacker achieve by exploiting CVE-2026-8312?
An attacker could exploit CVE-2026-8312 to perform an out-of-bounds write, potentially executing arbitrary code.
In which component of Rockwell Automation Arena does CVE-2026-8312 exist?
CVE-2026-8312 exists within the expmt.exe (Siman) component of Rockwell Automation Arena.