CVE-2026-62834

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.5% (42nd percentile of EPSS-scored CVEs). 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: 0.5%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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
9.8CRITICALmedium confidence
EG Risk
44
EG Risk 44/100CISA 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
Severity98% × 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
0.5%
EPSS %ILE
42nd
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 20, 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-2026-62834

Vendor Advisories for CVE-2026-62834(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 72× in last 7d / 331× 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 557 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 on August 20, 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-2026-62834 actively exploited?
CVE-2026-62834 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (42nd percentile of EPSS-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?
A fix for CVE-2026-62834 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-62834 are linked in the Vendor Advisories panel on this page.

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