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

Severity: high (CVSS 7.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-22 · updated 2026-09-23
Weakness: CWE-416

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

RTI Connext Professional: from 7.6.0 before 7.7.0.1 — fixed in 7.7.0.1

How to fix

Upgrade to a fixed version: RTI Connext Professional 7.7.0.1. Check the vendor advisory for mitigations.

References

https://www.rti.com/vulnerabilities/#cve-2026-8849

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