CVE-2026-45480

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-19. the CNA's CVSS baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
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.

Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.

CVSS v3
10.0
EG Score
10.0(high)
EPSS
42.6%
KEV
Not listed

Published

June 19, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 4, 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-2026-45480

Vendor Advisories for CVE-2026-45480(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 132× in last 7d / 328× 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 328 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-45480?
CVE-2026-45480 is a critical vulnerability published on June 19, 2026. Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
When was CVE-2026-45480 disclosed?
CVE-2026-45480 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45480 actively exploited?
CVE-2026-45480 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45480?
CVE-2026-45480 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-45480?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45480, 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-2026-45480

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