{"id":"CVE-2026-8313","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-8313","generatedAt":"2026-10-27T23:55:56.066Z","title":"A security issue exists within Arena® Simulation due to a memory corruption vulnerability in the linker.exe (Siman) component.","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.","published":"2026-07-14T13:19:11.000Z","lastModified":"2026-10-24T21:10:00.000Z","status":"Analyzed","sourceIdentifier":"PSIRT@rockwellautomation.com","cvss":{"version":"4.0","score":7,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-787"],"affected":["rockwellautomation/arena"],"epss":{"score":0.00265,"percentile":0.18245,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1784.html","tags":["Vendor Advisory"],"source":"PSIRT@rockwellautomation.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-8313","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}