CVE-2026-34709

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-09. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

Substance3D - Sampler versions 6.0.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3
7.8
EG Score
7.8(high)
EPSS
3.6%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 11, 2026

References (1)

Vendor Advisories for CVE-2026-34709(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 28× in last 7d / 136× 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.

Showing the most recent 100 of 136 total refreshes for this CVE.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 03:49 UTCEG score recompute
  4. 2026-07-06 03:49 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 15:01 UTCEG score recompute
  8. 2026-07-05 15:01 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-05 01:59 UTCEG score recompute
  11. 2026-07-05 01:58 UTCGHSA enrichment
  12. 2026-07-04 12:57 UTCEG score recompute
  13. 2026-07-04 12:57 UTCGHSA enrichment
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-03 15:30 UTCEG score recompute
  16. 2026-07-03 15:30 UTCGHSA enrichment
  17. 2026-07-03 00:53 UTCEG score recompute
  18. 2026-07-03 00:53 UTCGHSA enrichment
  19. 2026-07-02 11:57 UTCEG score recompute
  20. 2026-07-02 11:57 UTCGHSA enrichment
  21. 2026-07-01 22:51 UTCEG score recompute
  22. 2026-07-01 22:51 UTCGHSA enrichment
  23. 2026-07-01 15:06 UTCEPSS rescore
  24. 2026-07-01 09:25 UTCEG score recompute
  25. 2026-07-01 09:24 UTCGHSA enrichment
Show 75 more
  1. 2026-06-30 23:22 UTCEPSS rescore
  2. 2026-06-30 20:47 UTCEG score recompute
  3. 2026-06-30 20:47 UTCGHSA enrichment
  4. 2026-06-30 08:08 UTCEG score recompute
  5. 2026-06-30 08:07 UTCGHSA enrichment
  6. 2026-06-29 19:31 UTCEG score recompute
  7. 2026-06-29 19:31 UTCGHSA enrichment
  8. 2026-06-29 14:06 UTCEPSS rescore
  9. 2026-06-29 14:06 UTCEPSS rescore
  10. 2026-06-29 06:54 UTCEG score recompute
  11. 2026-06-29 06:54 UTCGHSA enrichment
  12. 2026-06-28 16:09 UTCEG score recompute
  13. 2026-06-28 16:09 UTCGHSA enrichment
  14. 2026-06-28 14:07 UTCEPSS rescore
  15. 2026-06-28 14:07 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-28 04:56 UTCEPSS rescore
  18. 2026-06-28 03:32 UTCEG score recompute
  19. 2026-06-28 03:32 UTCGHSA enrichment
  20. 2026-06-27 14:55 UTCEG score recompute
  21. 2026-06-27 14:55 UTCGHSA enrichment
  22. 2026-06-27 03:08 UTCEPSS rescore
  23. 2026-06-27 02:18 UTCEG score recompute
  24. 2026-06-27 02:18 UTCGHSA enrichment
  25. 2026-06-26 13:40 UTCEG score recompute
  26. 2026-06-26 13:40 UTCGHSA enrichment
  27. 2026-06-26 01:03 UTCEG score recompute
  28. 2026-06-26 01:03 UTCGHSA enrichment
  29. 2026-06-25 13:49 UTCEPSS rescore
  30. 2026-06-25 13:49 UTCEPSS rescore
  31. 2026-06-25 12:22 UTCEG score recompute
  32. 2026-06-25 12:22 UTCGHSA enrichment
  33. 2026-06-24 23:44 UTCEG score recompute
  34. 2026-06-24 23:43 UTCGHSA enrichment
  35. 2026-06-24 14:05 UTCEPSS rescore
  36. 2026-06-24 11:06 UTCEG score recompute
  37. 2026-06-24 11:06 UTCGHSA enrichment
  38. 2026-06-23 22:29 UTCEG score recompute
  39. 2026-06-23 22:29 UTCGHSA enrichment
  40. 2026-06-23 21:33 UTCEPSS rescore
  41. 2026-06-23 21:33 UTCEPSS rescore
  42. 2026-06-23 09:14 UTCEG score recompute
  43. 2026-06-23 09:14 UTCGHSA enrichment
  44. 2026-06-22 18:49 UTCEG score recompute
  45. 2026-06-22 18:49 UTCGHSA enrichment
  46. 2026-06-22 14:25 UTCEPSS rescore
  47. 2026-06-22 14:25 UTCEPSS rescore
  48. 2026-06-22 04:35 UTCEG score recompute
  49. 2026-06-22 04:35 UTCGHSA enrichment
  50. 2026-06-21 14:56 UTCEPSS rescore
  51. 2026-06-21 14:56 UTCEPSS rescore
  52. 2026-06-21 14:24 UTCEG score recompute
  53. 2026-06-21 14:24 UTCGHSA enrichment
  54. 2026-06-21 01:59 UTCEPSS rescore
  55. 2026-06-21 01:36 UTCEG score recompute
  56. 2026-06-21 01:36 UTCGHSA enrichment
  57. 2026-06-20 10:41 UTCEG score recompute
  58. 2026-06-20 10:41 UTCGHSA enrichment
  59. 2026-06-19 22:02 UTCEG score recompute
  60. 2026-06-19 22:02 UTCGHSA enrichment
  61. 2026-06-19 19:25 UTCEPSS rescore
  62. 2026-06-19 19:25 UTCEPSS rescore
  63. 2026-06-19 09:21 UTCEG score recompute
  64. 2026-06-19 09:21 UTCGHSA enrichment
  65. 2026-06-18 20:27 UTCEG score recompute
  66. 2026-06-18 20:26 UTCGHSA enrichment
  67. 2026-06-18 17:52 UTCEPSS rescore
  68. 2026-06-18 17:52 UTCEPSS rescore
  69. 2026-06-18 07:27 UTCEG score recompute
  70. 2026-06-18 07:26 UTCGHSA enrichment
  71. 2026-06-17 18:50 UTCEG score recompute
  72. 2026-06-17 18:50 UTCGHSA enrichment
  73. 2026-06-17 17:53 UTCEPSS rescore
  74. 2026-06-17 06:14 UTCEG score recompute
  75. 2026-06-17 06:13 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-34709?
CVE-2026-34709 is a high vulnerability published on June 9, 2026. Substance3D - Sampler versions 6.0.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
When was CVE-2026-34709 disclosed?
CVE-2026-34709 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34709 actively exploited?
CVE-2026-34709 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34709?
CVE-2026-34709 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-34709?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34709, 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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