CVE-2026-8312

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.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.3 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:rockwellautomation:arena:*:*:*:*:*:*:*:*

History

24 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Existe un problema de seguridad en Arena® Simulation debido a una vulnerabilidad de corrupción de memoria en el componente expmt.exe (Siman). La vulnerabilidad se origina en una validación incorrecta de los datos proporcionados por el usuario, lo que puede resultar en una escritura fuera de límites. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código arbitrario en el contexto del proceso actual al convencer a un usuario de abrir un archivo malicioso.

Information

Published : 2026-07-14 13:19

Updated : 2026-10-24 21:10

NVD link : CVE-2026-8312

Mitre link : CVE-2026-8312

CVE.ORG link : CVE-2026-8312

JSON object : View

Products Affected

rockwellautomation

arena

CWE

CWE-787

Out-of-bounds Write

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