TI-2026-07323 Aliases CVE-2026-8314 GHSA-vm2h-v6v6-p7fc

Rockwell Automation Arena® - Memory Corruption Vulnerability

LOW 32CWE-787Published 2026-07-14 · Updated 2026-07-14

Key facts

Attack vector: Local
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00265 18th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Rockwell	Arena® Simulation	up to V17.00.00	—	No fix listed	CNA

Arena® Simulation VendorRockwell Affected up to V17.00.00 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:rockwellautomation:arena::::::::	before 17.00.01	Vulnerable	Rockwell

cpe:2.3:a:rockwellautomation:arena:*:*:*:*:*:*:*:* Versions before 17.00.01 Vulnerable ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-8314
2026-10-03 Alias added: GHSA-vm2h-v6v6-p7fc

References

Advisory 1

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

TI-2019-10142 Use after free in Rockwell Automation Arena Simulation Software versions 16.00.00 and… CVSS 3.0HIGH 7.8
TI-2023-13840 Rockwell Automation Arena Simulation Software Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2023-13839 Rockwell Automation Arena Simulation Software Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-10153 A maliciously crafted program file opened by an unsuspecting user of Rockwell Automation… CVSS 3.1HIGH 7.8
TI-2019-10151 Type confusion in Rockwell Automation Arena Simulation Software CVSS 3.1HIGH 7.8
TI-2023-13841 Rockwell Automation Arena Simulation Software Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8

See all 45 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences