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Vulnerabilities CVE-2026-8314

CVE-2026-8314

High
Open
TLP:CLEAR

Rockwell Automation Arena® - Memory Corruption Vulnerability

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Description

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.

Details

CVSS Score
7.0
EPSS Score
0.18%

7.8th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 14, 2026
Last Modified
Jul 14, 2026
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