Stack-based Buffer Overflow in RTI Connext Professional Core Libraries
CVE-2026-7866

9.3CRITICAL

Key Information:

Vendor

Rti

Status
Connext Professional
Vendor
CVE Published:
22 September 2026

What is CVE-2026-7866?

A Stack-based Buffer Overflow vulnerability exists in the Core Libraries of RTI Connext Professional, potentially allowing for overflow buffers which could be exploited. This issue can affect several versions of the product, making it essential for users to verify their version and apply any necessary security measures. It is recommended to check for updates or patches from RTI to mitigate this vulnerability.

Affected Version(s)

Connext Professional 7.4.0 < 7.7.0.1

Connext Professional 7.0.0 < 7.3.1.6

Connext Professional 6.1.0 < 6.1.*

References

https://www.rti.com/vulnerabilities/#cve-2026-7866

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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