CVE-2026-83941

CRITICALNVD 8.89.9▲
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-08. NVD baseline CVSS 8.8; sources differ by 1.1.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

Missing authorization in Entra ID allows an authorized attacker to elevate privileges over a network.

CVSS v3
8.8
EG Score
9.9(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
Severity99% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
54%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 24, 2026

Advisory Details (1)

Auto-updated Sep 15, 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-2026-83941

Vendor Advisories for CVE-2026-83941(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 104× in last 7d / 252× 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 252 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-83941?
CVE-2026-83941 is a critical vulnerability published on September 8, 2026. Missing authorization in Entra ID allows an authorized attacker to elevate privileges over a network.
When was CVE-2026-83941 disclosed?
CVE-2026-83941 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-83941 actively exploited?
CVE-2026-83941 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 46.1% of all scored CVEs.
What is the CVSS score of CVE-2026-83941?
CVE-2026-83941 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.9.
How do I remediate CVE-2026-83941?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-83941, 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-2026-83941

Explore →

Is Your Infrastructure Affected by CVE-2026-83941?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs