---
id: CVE-2026-8849
title: >-
  Use After Free vulnerability in RTI Connext Professional (Security Plugins)
  allows File Manipulation
summary: >-
  Use After Free vulnerability in RTI Connext Professional (Security Plugins)
  allows File Manipulation. This issue affects Connext Professional: from 7.6.0
  before 7.7.0.1.
severity: high
cvss: 7.7
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-416
vendor: RTI
product: connext_professional
affected:
  - connext_professional >= 7.6.0 < 7.7.0.1
published: '2026-09-22'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T04:17:57.300'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8849'
references:
  - url: 'https://www.rti.com/vulnerabilities/#cve-2026-8849'
    label: 3f572a00-62e2-4423-959a-7ea25eff1638
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-22T18:54:43.508775Z'
cvssSource: cna
ingestedAt: '2026-09-22T18:08:12.480Z'
epss: 0.00382
epssPercentile: 0.29382
---

## Overview

Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Manipulation. This issue affects Connext Professional: from 7.6.0 before 7.7.0.1.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.