CVE-2026-40412

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-26. the CNA's CVSS baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 10.0Exploit: NoneExposed: 0

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

Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code over a network.

CVSS v3
10.0
EG Score
10.0(medium)
EPSS
41.3%
KEV
Not listed

Published

May 26, 2026

Last Modified

June 19, 2026

Advisory Details (1)

Auto-updated Jul 14, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40412

Vendor Advisories for CVE-2026-40412(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 8× in last 7d / 127× 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 433 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-40412?
CVE-2026-40412 is a critical vulnerability published on May 26, 2026. Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code over a network.
When was CVE-2026-40412 disclosed?
CVE-2026-40412 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on June 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40412 actively exploited?
CVE-2026-40412 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40412?
CVE-2026-40412 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-40412?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40412, 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

Explore the affected products and dependency analysis for CVE-2026-40412

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