CVE-2026-47876

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-30. a secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity93% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Support Content Notification - Support Portal - Broadcom support portal

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017

Vendor Advisories for CVE-2026-47876(2)

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 39× in last 7d / 174× 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 323 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-47876?
CVE-2026-47876 is a critical vulnerability published on July 30, 2026. VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not…
When was CVE-2026-47876 disclosed?
CVE-2026-47876 was first published in the National Vulnerability Database on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47876 actively exploited?
CVE-2026-47876 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 71.1% of all scored CVEs.
What is the CVSS score of CVE-2026-47876?
CVE-2026-47876 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-47876?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47876, 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.

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