CVE-2026-2674

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.8 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: cna:rti, epss
Trending — 3 sources updated this week
4.8
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.*.

CVSS v3
4.8
EG Score
4.8(medium)
EPSS
1.2%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 25, 2026

Advisory Details (1)

Auto-updated Jun 17, 2026
No patch confirmed yet.
generic

RTI Connext Security Bulletins and Advisories (last updated on 2026-06-17)

https://www.rti.com/vulnerabilities/#cve-2026-2674

Vendor Advisories for CVE-2026-2674(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 70× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 12:17 UTCEG score recompute
  2. 2026-07-06 12:17 UTCGHSA enrichment
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 12:00 UTCEG score recompute
  6. 2026-07-05 12:00 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 12:31 UTCEG score recompute
  9. 2026-07-04 12:31 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 13:04 UTCEG score recompute
  12. 2026-07-03 13:04 UTCGHSA enrichment
  13. 2026-07-02 12:14 UTCEG score recompute
  14. 2026-07-02 12:13 UTCGHSA enrichment
  15. 2026-07-01 15:06 UTCEPSS rescore
  16. 2026-07-01 12:45 UTCEG score recompute
  17. 2026-07-01 12:45 UTCGHSA enrichment
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 13:17 UTCEG score recompute
  20. 2026-06-30 13:17 UTCGHSA enrichment
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-29 13:48 UTCEG score recompute
  24. 2026-06-29 13:48 UTCGHSA enrichment
  25. 2026-06-28 14:20 UTCEG score recompute
Show 45 more
  1. 2026-06-28 14:20 UTCGHSA enrichment
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 14:52 UTCEG score recompute
  7. 2026-06-27 14:52 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 15:23 UTCEG score recompute
  10. 2026-06-26 15:23 UTCGHSA enrichment
  11. 2026-06-25 15:55 UTCEG score recompute
  12. 2026-06-25 15:55 UTCGHSA enrichment
  13. 2026-06-25 13:49 UTCEPSS rescore
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-24 16:18 UTCEG score recompute
  16. 2026-06-24 16:18 UTCGHSA enrichment
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-23 21:33 UTCEPSS rescore
  19. 2026-06-23 21:33 UTCEPSS rescore
  20. 2026-06-23 16:49 UTCEG score recompute
  21. 2026-06-23 16:48 UTCGHSA enrichment
  22. 2026-06-22 17:18 UTCEG score recompute
  23. 2026-06-22 17:18 UTCGHSA enrichment
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-22 14:25 UTCEPSS rescore
  26. 2026-06-21 17:50 UTCEG score recompute
  27. 2026-06-21 17:50 UTCGHSA enrichment
  28. 2026-06-21 14:56 UTCEPSS rescore
  29. 2026-06-21 14:56 UTCEPSS rescore
  30. 2026-06-21 01:59 UTCEPSS rescore
  31. 2026-06-20 18:19 UTCEG score recompute
  32. 2026-06-20 18:18 UTCGHSA enrichment
  33. 2026-06-19 19:25 UTCEPSS rescore
  34. 2026-06-19 19:25 UTCEPSS rescore
  35. 2026-06-19 18:50 UTCEG score recompute
  36. 2026-06-19 18:49 UTCGHSA enrichment
  37. 2026-06-18 19:20 UTCEG score recompute
  38. 2026-06-18 19:20 UTCGHSA enrichment
  39. 2026-06-18 17:52 UTCEPSS rescore
  40. 2026-06-18 17:52 UTCEPSS rescore
  41. 2026-06-17 19:52 UTCEG score recompute▲ 4.80
  42. 2026-06-17 19:52 UTCGHSA enrichment
  43. 2026-06-17 19:50 UTCNVD updateCVSS v3 → 4.8 · CVSS v4 → 4.8
  44. 2026-06-17 18:45 UTCEG score recompute
  45. 2026-06-17 18:45 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-2674?
CVE-2026-2674 is a medium vulnerability published on June 17, 2026. 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…
When was CVE-2026-2674 disclosed?
CVE-2026-2674 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-2674 actively exploited?
CVE-2026-2674 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-2674?
CVE-2026-2674 has a CVSS v4.0 base score of 4.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-2674?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2674, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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