---
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: 0.07869
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'
---

## Overview

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, from 6.1.0 before 6.1.*.

## Affected

- `connext_professional >= 6.1.0, < 7.7.0`

## Remediation

Upgrade past the affected range:

- `connext_professional 7.7.0`