CVE-2026-47830

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-09. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\bosh\service_wrapper.exe or C:\bosh\bosh-agent.exe and gain NT AUTHORITY\SYSTEM on the next service restart or reboot. This can lead to full host control. Affected versions: bosh-windows-stemcell-builder versions prior to v2019.98.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

CVE-2026-47830 - Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite | Cloud Foundry

https://www.cloudfoundry.org/blog/cve-2026-47830-incorrect-permission-assignment-allows-local-privilege-escalation-to-system-via-executable-overwrite/

Vendor Advisories for CVE-2026-47830(1)

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

Data Freshness Timeline

(refreshed 21× in last 7d / 103× 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 155 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-47830?
CVE-2026-47830 is a high vulnerability published on July 9, 2026. Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\bosh\service_wrapper.exe or C:\bosh\bosh-agent.exe and gain NT AUTHORITY\SYSTEM on the next service restart or reboot. This can lead to full…
When was CVE-2026-47830 disclosed?
CVE-2026-47830 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47830 actively exploited?
CVE-2026-47830 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 95.7% of all scored CVEs.
What is the CVSS score of CVE-2026-47830?
CVE-2026-47830 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-47830?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47830, 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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