CVE-2026-62834

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 20, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 16, 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-2026-62834

Vendor Advisories for CVE-2026-62834(1)

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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 87× in last 7d / 391× 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 397 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-62834?
CVE-2026-62834 is a critical vulnerability published on August 20, 2026. Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.
When was CVE-2026-62834 disclosed?
CVE-2026-62834 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-62834 actively exploited?
CVE-2026-62834 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 77.8% of all scored CVEs.
What is the CVSS score of CVE-2026-62834?
CVE-2026-62834 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-62834?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-62834, 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-2026-62834

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