RTI Connext Professional prior 7.3.1.3/7.7.0 Queueing Service out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k1.77-

Summaryinfo

A vulnerability, which was classified as critical, was found in RTI Connext Professional. This affects an unknown function of the component Queueing Service. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2026-2674. The attack can only be executed locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in RTI Connext Professional. It has been declared as critical. This vulnerability affects some unknown functionality of the component Queueing Service. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Out-of-bounds Write, Out-of-bounds Write, Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows Overflow Buffers, Overflow Buffers, Overflow Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*.

The advisory is available at rti.com. This vulnerability was named CVE-2026-2674 since 02/18/2026. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 7.3.1.3 or 7.7.0 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Connext Professional 7.3.1.3/7.7.0

Timelineinfo

02/18/2026 CVE reserved
06/17/2026 +118 days Advisory disclosed
06/17/2026 +0 days VulDB entry created
06/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: rti.com
Status: Confirmed

CVE: CVE-2026-2674 (🔒)
GCVE (CVE): GCVE-0-2026-2674
GCVE (VulDB): GCVE-100-372094

Entryinfo

Created: 06/17/2026 20:47
Changes: 06/17/2026 20:47 (66)
Complete: 🔍
Cache ID: 216::103

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