CVE-2026-8312
View CSAF Summary Successful exploitation these vulnerabilities could allow an attacker to execute arbitrary code in the context of the current process. The following versions of Rockwell Automation Arena are affected: Arena <=V17.00.00 (CVE-2026-8085, CVE-2026-8312, CVE-2026-8313, CVE-2026-8314) CVSS Vendor Equipment Vulnerabilities v3 7.8 Rockwell Automation Rockwell Automation Arena Out-of-bounds Write Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-8085 A security issue exists within Arena Simulation due to a memory corruption vulnerability in the model.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. View CVE Details Affected Products Rockwell Automation Arena Vendor: Rockwell Automation Product Version: Rockwell Automation Arena: <=V17.00.00 Product Status: known_affected Remediations Mitigation Rockwell Automation recommends users to update to V17.00.01 Relevant CWE: CWE-787 Out-of-bounds Write Metrics CVSS Version Base Score Base Severity Vector String 3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 4.0 7 HIGH 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 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. View CVE Details Affected Products Rockwell Automation Arena Vendor: Rockwell Automation Produc
CSIRTS triage
- What
- Vulnerabilities could allow arbitrary code execution in the context of the current process.
- Who is affected
- Users of Rockwell Automation Arena version 17.00.00 or earlier.
- Urgency
- Remediation is critical due to the potential for severe security breaches.
- Action
- Users should update to a version later than 17.00.00.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Advisory coverage (2)
- criticalRockwell Automation Arenacisa · 2026-07-16
- highCVE-2026-8312: A security issue exists within Arena® Simulation due to a memory corruption vulnerability in th…nvd · 2026-07-14
External references
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