CVE-2026-8314

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.

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

15 Jul 2026, 13:12

Type	Values Removed	Values Added
References	~~() https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html -~~	() https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html - Vendor Advisory
First Time		Rockwellautomation Rockwellautomation arena
CPE		cpe:2.3:a:rockwellautomation:arena::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.3

14 Jul 2026, 13:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 13:19

Updated : 2026-07-15 13:12

NVD link : CVE-2026-8314

Mitre link : CVE-2026-8314

CVE.ORG link : CVE-2026-8314

JSON object : View

Products Affected

rockwellautomation

arena

CWE

CWE-787

Out-of-bounds Write

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