CVE-2026-8313: 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 u

highCVSS 7.3CVE-2026-8313

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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.3
Published: 2026-07-14
Last updated: 2026-07-15
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-8313

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-83130.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-8313	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

criticalRockwell Automation Arenacisa

CVE-2026-8313: 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 u

Details

Exploitation outlook

Referenced CVEs

Same CVEs, other sources

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