{"id":"CVE-2026-18459","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-18459","generatedAt":"2026-10-28T02:57:10.384Z","title":"Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality.","description":"Incorrect Calculation vulnerability in RTI Connext Professional (Core Libraries) allows Abuse Existing Functionality. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.1x before 5.1.*.","published":"2026-09-22T18:17:12.000Z","lastModified":"2026-09-22T19:37:37.000Z","status":"Awaiting Analysis","sourceIdentifier":"3f572a00-62e2-4423-959a-7ea25eff1638","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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-682"],"affected":[],"epss":{"score":0.00428,"percentile":0.3679,"date":"2026-10-26","history":[{"date":"2026-09-23","score":0.00428,"percentile":0.36669}]},"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 (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-22T18:17:12.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-09-22T18:17:11.793Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-18459","source":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18459","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."}