CVE-2026-40412

CRITICALNVD 9.810.0▲
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-26. NVD baseline CVSS 9.8; sources differ by 0.2.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 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
9.8
EG Score
10.0(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

May 26, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 24, 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 12× in last 7d / 184× 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 523 total refreshes for this CVE.

  1. 2026-08-28 21:41 UTCEPSS rescore
  2. 2026-08-27 14:25 UTCEPSS rescore
  3. 2026-08-26 14:46 UTCEPSS rescore
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-24 00:18 UTCVendor advisory
  6. 2026-08-24 00:18 UTCGHSA enrichment
  7. 2026-08-23 20:09 UTCVendor advisory
  8. 2026-08-23 20:09 UTCGHSA enrichment
  9. 2026-08-23 16:22 UTCEG score recompute
  10. 2026-08-23 16:22 UTCVendor advisory
  11. 2026-08-23 16:22 UTCGHSA enrichment
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-22 01:13 UTCEG score recompute
  14. 2026-08-22 01:13 UTCVendor advisory
  15. 2026-08-22 01:13 UTCGHSA enrichment
  16. 2026-08-21 23:49 UTCEPSS rescore
  17. 2026-08-21 21:29 UTCEG score recompute
  18. 2026-08-21 21:29 UTCGHSA enrichment
  19. 2026-08-20 22:55 UTCEPSS rescore
  20. 2026-08-20 22:42 UTCVendor advisory
  21. 2026-08-20 22:42 UTCGHSA enrichment
  22. 2026-08-20 18:16 UTCEG score recompute
  23. 2026-08-20 18:16 UTCVendor advisory
  24. 2026-08-20 18:16 UTCGHSA enrichment
  25. 2026-08-19 17:03 UTCEPSS rescore
Show 75 more
  1. 2026-08-18 13:48 UTCEPSS rescore
  2. 2026-08-17 13:47 UTCEPSS rescore
  3. 2026-08-17 13:18 UTCGHSA enrichment
  4. 2026-08-17 09:34 UTCVendor advisory
  5. 2026-08-17 09:34 UTCGHSA enrichment
  6. 2026-08-16 16:33 UTCEG score recompute
  7. 2026-08-16 16:33 UTCVendor advisory
  8. 2026-08-16 16:33 UTCGHSA enrichment
  9. 2026-08-16 14:56 UTCEPSS rescore
  10. 2026-08-16 10:37 UTCVendor advisory
  11. 2026-08-16 10:37 UTCGHSA enrichment
  12. 2026-08-16 06:50 UTCVendor advisory
  13. 2026-08-16 06:50 UTCGHSA enrichment
  14. 2026-08-16 03:06 UTCEG score recompute
  15. 2026-08-16 03:06 UTCVendor advisory
  16. 2026-08-16 03:06 UTCGHSA enrichment
  17. 2026-08-16 02:14 UTCEPSS rescore
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-15 00:17 UTCVendor advisory
  20. 2026-08-15 00:17 UTCGHSA enrichment
  21. 2026-08-14 20:33 UTCVendor advisory
  22. 2026-08-14 20:33 UTCGHSA enrichment
  23. 2026-08-14 16:42 UTCVendor advisory
  24. 2026-08-14 16:42 UTCGHSA enrichment
  25. 2026-08-14 12:57 UTCVendor advisory
  26. 2026-08-14 12:57 UTCGHSA enrichment
  27. 2026-08-14 09:12 UTCGHSA enrichment
  28. 2026-08-14 05:28 UTCVendor advisory
  29. 2026-08-14 05:28 UTCGHSA enrichment
  30. 2026-08-14 01:43 UTCEG score recompute
  31. 2026-08-14 01:43 UTCVendor advisory
  32. 2026-08-14 01:43 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 09:38 UTCVendor advisory
  35. 2026-08-13 09:38 UTCGHSA enrichment
  36. 2026-08-13 05:54 UTCVendor advisory
  37. 2026-08-13 05:54 UTCGHSA enrichment
  38. 2026-08-13 01:21 UTCGHSA enrichment
  39. 2026-08-12 21:37 UTCGHSA enrichment
  40. 2026-08-12 17:52 UTCVendor advisory
  41. 2026-08-12 17:52 UTCGHSA enrichment
  42. 2026-08-12 14:08 UTCEG score recompute
  43. 2026-08-12 14:08 UTCVendor advisory
  44. 2026-08-12 14:08 UTCGHSA enrichment
  45. 2026-08-12 13:51 UTCEPSS rescore
  46. 2026-08-12 09:42 UTCVendor advisory
  47. 2026-08-12 09:42 UTCGHSA enrichment
  48. 2026-08-12 02:10 UTCVendor advisory
  49. 2026-08-12 02:10 UTCGHSA enrichment
  50. 2026-08-11 22:26 UTCVendor advisory
  51. 2026-08-11 22:26 UTCGHSA enrichment
  52. 2026-08-11 18:34 UTCEG score recompute
  53. 2026-08-11 18:34 UTCVendor advisory
  54. 2026-08-11 18:34 UTCGHSA enrichment
  55. 2026-08-11 13:43 UTCEPSS rescore
  56. 2026-08-11 13:41 UTCVendor advisory
  57. 2026-08-11 13:41 UTCGHSA enrichment
  58. 2026-08-11 07:51 UTCVendor advisory
  59. 2026-08-11 07:51 UTCGHSA enrichment
  60. 2026-08-11 04:07 UTCVendor advisory
  61. 2026-08-11 04:06 UTCGHSA enrichment
  62. 2026-08-11 00:22 UTCEG score recompute
  63. 2026-08-11 00:22 UTCVendor advisory
  64. 2026-08-11 00:22 UTCGHSA enrichment
  65. 2026-08-11 00:00 UTCEPSS rescore
  66. 2026-08-10 15:26 UTCGHSA enrichment
  67. 2026-08-10 13:05 UTCGHSA enrichment
  68. 2026-08-10 09:21 UTCVendor advisory
  69. 2026-08-10 09:21 UTCGHSA enrichment
  70. 2026-08-10 05:36 UTCGHSA enrichment
  71. 2026-08-10 01:52 UTCVendor advisory
  72. 2026-08-10 01:52 UTCGHSA enrichment
  73. 2026-08-09 22:06 UTCGHSA enrichment
  74. 2026-08-09 18:22 UTCVendor advisory
  75. 2026-08-09 18:22 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 August 10, 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 1% probability of exploitation in the next 30 days, which ranks it in the top 57.3% of all scored CVEs.
What is the CVSS score of CVE-2026-40412?
CVE-2026-40412 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 10.0.
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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