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Vulnerability record · CVE-2026-8313 · published 14 July 2026

CVE-2026-8313: Rockwellautomation arena out-of-bounds write vulnerability

Rockwellautomation · Arena

A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the linker.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.

7.0 CVSS 4.0 High EPSS 0.27% · top 83.5% CWE-787 · Out-of-bounds write
7.0CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
15 Jul 2026Last modified by NVD

Description

A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the linker.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:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-29460Rockwellautomation arena out-of-bounds read vulnerabilityAn arbitrary code execution vulnerability contained in Rockwell Automation's Arena Simulation software was reported that could potentially allow a ma…EPSS 0.85%9.8CVE-2023-29461Rockwellautomation arena out-of-bounds read vulnerabilityAn arbitrary code execution vulnerability contained in Rockwell Automation's Arena Simulation software was reported that could potentially allow a ma…EPSS 0.85%8.8CVE-2023-29462Rockwellautomation arena out-of-bounds write vulnerabilityAn arbitrary code execution vulnerability contained in Rockwell Automation's Arena Simulation software was reported that could potentially allow a ma…EPSS 0.90%8.5CVE-2025-3288Rockwellautomation arena out-of-bounds read vulnerabilityA local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memor…EPSS 0.30%8.5CVE-2025-3289Rockwellautomation arena out-of-bounds write vulnerabilityA local code execution vulnerability exists in the Rockwell Automation Arena® due to a stack-based memory buffer overflow. The flaw is result of impr…EPSS 0.31%8.5CVE-2025-3285Rockwellautomation arena out-of-bounds read vulnerabilityA local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memor…EPSS 0.30%8.5CVE-2025-3286Rockwellautomation arena out-of-bounds read vulnerabilityA local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memor…EPSS 0.30%8.5CVE-2025-3287Rockwellautomation arena out-of-bounds read vulnerabilityA local code execution vulnerability exists in the Rockwell Automation Arena® due to a stack-based memory buffer overflow. The flaw is result of impr…EPSS 0.31%

Source: NIST National Vulnerability Database (record CVE-2026-8313), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.