{"id":"CVE-2026-18462","title":"Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation","summary":"Integer Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before…","severity":"high","cvss":7.3,"cvssVector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-190","CWE-284"],"vendor":"RTI","product":"connext_professional","affected":["connext_professional >= 7.4.0 < 7.7.0.1","connext_professional >= 7.0.0 < 7.3.1.6","connext_professional >= 6.1.0 < 6.1.*"],"published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T19:37:36.747","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18462","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-18462","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-22T18:46:25.315670Z"},"cvssSource":"cna","ingestedAt":"2026-09-22T18:08:12.474Z","slug":"CVE-2026-18462","body":"## Overview\n\nInteger Overflow or Wraparound, Improper Access Control vulnerability in RTI Connext Professional (Core Libraries) allows Shared Resource Manipulation. 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.*.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}