Buffer overflow in Rti Connext Professional

CVE-2026-2674

Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libraries,Persistence Service) allows 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.*.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2674: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2674?
CVE-2026-2674 is a high-severity vulnerability in Rti Connext Professional, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-06-17.
How severe is CVE-2026-2674?
High severity. CVSS v3 base score is 8.1 out of 10.