CVE-2026-62834

Received Received - Intake

Improper Cryptographic Signature Verification in Azure Data Factory

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-20

Last Modified

2026-08-20

Generated

2026-08-21

AI Q&A

2026-08-21

EPSS Evaluated

N/A

NVD

CVE-2026-62834

EUVD

EUVD-2026-63688

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_data_factory	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-347	The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper verification of cryptographic signatures in Azure Data Factory. An unauthorized attacker can exploit this to elevate their privileges over a network.

Impact Analysis

An attacker could gain elevated access to Azure Data Factory, potentially leading to unauthorized data access, manipulation, or control over data pipelines and workflows.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements such as GDPR or HIPAA, resulting in legal penalties or reputational damage.

Mitigation Strategies

Apply the latest security patches from Microsoft for Azure Data Factory immediately. Review and restrict network access to Azure Data Factory instances. Monitor for unusual privilege escalation activities and audit logs for suspicious access patterns.

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