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CVE-2026-18460

Off-by-one Error, Out-of-bounds Write vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.

MEDIUM
6.9
CVSS Score
Published: September 22, 2026 at 05:50 PM UTC
Updated: September 22, 2026 at 07:51 PM UTC
1 product affected across 1 vendorConnext Professional

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Off-by-one Error, Out-of-bounds Write vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Connext Professional· Rti
95%
7.0.0 ≤ v < 7.3.1.67.4.0 ≤ v < 7.7.0.17.0.07.4.0
Affected range stops below 7.3.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.7.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.rti.com/vulnerabilities/#cve-2026-18460

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMRTI
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-193CWE-787

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