{"id":"CVE-2026-2674","title":"Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers","summary":"Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, fro…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-787"],"vendor":"rti","product":"connext_professional","affected":["connext_professional >= 6.1.0, < 7.7.0"],"patched":["connext_professional 7.7.0"],"published":"2026-06-17","updated":"2026-09-22","sourceUpdated":"2026-09-22T18:17:13.057","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-2674","references":[{"url":"https://www.rti.com/vulnerabilities/#cve-2026-2674","label":"3f572a00-62e2-4423-959a-7ea25eff1638"}],"tags":["nvd","cve.org","score-dispute"],"epss":0.0018,"epssPercentile":0.07872,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-17T17:57:40.284382Z"},"scores":{"nvd":8.1,"cna":4.8},"ingestedAt":"2026-09-22T18:08:12.483Z","slug":"CVE-2026-2674","body":"## Overview\n\nOut-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*.\n\n## Affected\n\n- `connext_professional >= 6.1.0, < 7.7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `connext_professional 7.7.0`","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209301,"id":"CVE-2026-2674","ts":1790104185723,"field":"cvss","old":"4.8","new":"8.1"},{"seq":209300,"id":"CVE-2026-2674","ts":1790104185723,"field":"severity","old":"medium","new":"high"}]}