---
id: CVE-2026-62834
title: Azure Data Factory Elevation of Privilege Vulnerability
summary: >-
  Improper verification of cryptographic signature in Azure Data Factory allows
  an unauthorized attacker to elevate privileges over a network.
severity: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-347
vendor: Microsoft
product: Azure Data Factory
affected:
  - azure_data_factory -
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-21T00:00:00+00:00'
published: '2026-08-20'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T16:22:55.088Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-62834'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62834'
    label: Azure Data Factory Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00294
epssPercentile: 0.22203
ingestedAt: '2026-09-08T18:07:34.902Z'
---

## Overview

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

## Affected

- `azure_data_factory -`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.