What’s Vulnerable › Vulnerabilities
CVE-2026-18458: Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.
- Severity: medium (CVSS 6.8 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-22 · updated 2026-09-22
- Weakness: CWE-125
Description
Out-of-bounds Read, Function Call With Incorrect Number of Arguments, Access of Resource Using Incompatible Type ('Type Confusion') vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.3.0 before 7.3.1.6, from 6.1.2.21 before 6.1.*.
Affected products
- RTI Connext Professional: from 7.4.0 before 7.7.0.1; from 7.3.0 before 7.3.1.6; 6.1.x from 6.1.2.21 — fixed in 7.3.1.6, 7.7.0.1
How to fix
Upgrade to a fixed version: RTI Connext Professional 7.3.1.6, 7.7.0.1. Check the vendor advisory for mitigations.
References
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