Vulnerability · Published Sep 22, 2026 · Assigned by RTI

CVE-2026-8849Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Manipulation.

High 7.7

In plain English

A high-severity use-after-free in Connext Professional from RTI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 4.0)7.7High
Exploit odds (30 days)0.4%top 67.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
RTI Connext Professional 7.6.0 – before 7.7.0.1

Weakness: CWE-416 · Vector: 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

References