CVE-2026-58630

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-24. the CNA's CVSS baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 5 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: 10.0Exploit: None knownExposed: 0

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

Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.

CVSS v3
10.0
EG Score
10.0(high)
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
53%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 30, 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-2026-58630

Vendor Advisories for CVE-2026-58630(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 95× in last 7d / 95× 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.

  1. 2026-07-31 11:29 UTCVendor advisory
  2. 2026-07-31 11:29 UTCGHSA enrichment
  3. 2026-07-31 07:49 UTCVendor advisory
  4. 2026-07-31 07:49 UTCGHSA enrichment
  5. 2026-07-31 04:09 UTCVendor advisory
  6. 2026-07-31 04:09 UTCGHSA enrichment
  7. 2026-07-31 00:25 UTCGHSA enrichment
  8. 2026-07-30 20:43 UTCGHSA enrichment
  9. 2026-07-30 19:45 UTCGHSA enrichment
  10. 2026-07-30 18:03 UTCEG score recompute
  11. 2026-07-30 18:03 UTCVendor advisory
  12. 2026-07-30 18:03 UTCGHSA enrichment
  13. 2026-07-30 16:28 UTCEPSS rescore
  14. 2026-07-30 14:53 UTCVendor advisory
  15. 2026-07-30 14:53 UTCGHSA enrichment
  16. 2026-07-30 11:14 UTCEG score recompute
  17. 2026-07-30 11:14 UTCVendor advisory
  18. 2026-07-30 11:14 UTCGHSA enrichment
  19. 2026-07-30 07:35 UTCVendor advisory
  20. 2026-07-30 07:34 UTCGHSA enrichment
  21. 2026-07-30 03:05 UTCEG score recompute
  22. 2026-07-30 03:05 UTCVendor advisory
  23. 2026-07-30 03:04 UTCGHSA enrichment
  24. 2026-07-30 01:30 UTCEPSS rescore
  25. 2026-07-30 01:30 UTCEPSS rescore
Show 70 more
  1. 2026-07-29 23:25 UTCVendor advisory
  2. 2026-07-29 23:25 UTCGHSA enrichment
  3. 2026-07-29 19:43 UTCVendor advisory
  4. 2026-07-29 19:43 UTCGHSA enrichment
  5. 2026-07-29 15:52 UTCVendor advisory
  6. 2026-07-29 15:52 UTCGHSA enrichment
  7. 2026-07-29 12:12 UTCVendor advisory
  8. 2026-07-29 12:12 UTCGHSA enrichment
  9. 2026-07-29 08:32 UTCVendor advisory
  10. 2026-07-29 08:31 UTCGHSA enrichment
  11. 2026-07-29 04:52 UTCVendor advisory
  12. 2026-07-29 04:52 UTCGHSA enrichment
  13. 2026-07-29 01:12 UTCVendor advisory
  14. 2026-07-29 01:12 UTCGHSA enrichment
  15. 2026-07-28 21:30 UTCVendor advisory
  16. 2026-07-28 21:30 UTCGHSA enrichment
  17. 2026-07-28 19:20 UTCVendor advisory
  18. 2026-07-28 19:20 UTCGHSA enrichment
  19. 2026-07-28 15:38 UTCEG score recompute
  20. 2026-07-28 15:38 UTCVendor advisory
  21. 2026-07-28 15:37 UTCGHSA enrichment
  22. 2026-07-28 15:37 UTCEPSS rescore
  23. 2026-07-28 14:44 UTCVendor advisory
  24. 2026-07-28 14:43 UTCGHSA enrichment
  25. 2026-07-28 11:03 UTCVendor advisory
  26. 2026-07-28 11:03 UTCGHSA enrichment
  27. 2026-07-28 07:21 UTCVendor advisory
  28. 2026-07-28 07:21 UTCGHSA enrichment
  29. 2026-07-28 03:37 UTCVendor advisory
  30. 2026-07-28 03:37 UTCGHSA enrichment
  31. 2026-07-27 23:57 UTCVendor advisory
  32. 2026-07-27 23:57 UTCGHSA enrichment
  33. 2026-07-27 22:16 UTCVendor advisory
  34. 2026-07-27 22:16 UTCGHSA enrichment
  35. 2026-07-27 19:34 UTCVendor advisory
  36. 2026-07-27 19:34 UTCGHSA enrichment
  37. 2026-07-27 15:50 UTCEG score recompute
  38. 2026-07-27 15:50 UTCVendor advisory
  39. 2026-07-27 15:49 UTCGHSA enrichment
  40. 2026-07-27 14:14 UTCEPSS rescore
  41. 2026-07-27 12:10 UTCGHSA enrichment
  42. 2026-07-27 08:31 UTCVendor advisory
  43. 2026-07-27 08:30 UTCGHSA enrichment
  44. 2026-07-27 04:50 UTCVendor advisory
  45. 2026-07-27 04:50 UTCGHSA enrichment
  46. 2026-07-27 01:08 UTCVendor advisory
  47. 2026-07-27 01:08 UTCGHSA enrichment
  48. 2026-07-26 21:28 UTCVendor advisory
  49. 2026-07-26 21:28 UTCGHSA enrichment
  50. 2026-07-26 17:47 UTCEG score recompute
  51. 2026-07-26 17:47 UTCVendor advisory
  52. 2026-07-26 17:47 UTCGHSA enrichment
  53. 2026-07-26 17:07 UTCEG score recompute
  54. 2026-07-26 17:07 UTCVendor advisory
  55. 2026-07-26 17:07 UTCGHSA enrichment
  56. 2026-07-26 14:54 UTCEPSS rescore
  57. 2026-07-26 14:54 UTCEPSS rescore
  58. 2026-07-26 13:26 UTCEG score recompute
  59. 2026-07-26 13:26 UTCVendor advisory
  60. 2026-07-26 13:26 UTCGHSA enrichment
  61. 2026-07-26 09:43 UTCVendor advisory
  62. 2026-07-26 09:43 UTCGHSA enrichment
  63. 2026-07-26 03:00 UTCEG score recompute
  64. 2026-07-26 03:00 UTCVendor advisory
  65. 2026-07-26 03:00 UTCGHSA enrichment
  66. 2026-07-25 14:18 UTCEPSS rescore
  67. 2026-07-25 14:18 UTCEPSS rescore
  68. 2026-07-24 15:13 UTCEG score recompute
  69. 2026-07-24 15:13 UTCVendor advisory
  70. 2026-07-24 15:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-58630?
CVE-2026-58630 is a critical vulnerability published on July 24, 2026. Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
When was CVE-2026-58630 disclosed?
CVE-2026-58630 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58630 actively exploited?
CVE-2026-58630 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 46.5% of all scored CVEs.
What is the CVSS score of CVE-2026-58630?
CVE-2026-58630 has a CVSS v4.0 base score of 10.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-58630?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58630, 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

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