CVE-2026-50481

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-07. The CNA's CVSS baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
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: 0.8%CVSS: 9.9Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Modification of assumed-immutable data (maid) in Azure Active Directory allows an authorized attacker to elevate privileges over a network.

CVSS v3
9.9
EG Score
9.9CRITICALmedium confidence
EG Risk
45
EG Risk 45/100CISA SSVC

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%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.8%
EPSS %ILE
55th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

September 29, 2026

Advisory Details (1)

Auto-updated Sep 29, 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-2026-50481

Vendor Advisories for CVE-2026-50481(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 43× in last 7d / 268× 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 703 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50481?
CVE-2026-50481 is a critical vulnerability published on August 6, 2026. Modification of assumed-immutable data (maid) in Azure Active Directory allows an authorized attacker to elevate privileges over a network.
When was CVE-2026-50481 disclosed?
CVE-2026-50481 was first published on August 6, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50481 actively exploited?
CVE-2026-50481 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.8% probability of exploitation in the next 30 days (55th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-50481?
CVE-2026-50481 has a CVSS base score of 9.9 (the CNA's own assessment, by microsoft; NVD's own analysis pending).
How do I remediate CVE-2026-50481?
A fix for CVE-2026-50481 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-50481 are linked in the Vendor Advisories panel on this page.

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