CVE-2026-56162

Analyzed Analyzed - Analysis Complete

Improper Authentication in Azure SQL Database

Publication date: 2026-08-07

Last updated on: 2026-08-08

Assigner: Microsoft Corporation

Description

Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-07

Last Modified

2026-08-08

Generated

2026-08-27

AI Q&A

2026-08-07

EPSS Evaluated

2026-08-26

NVD

CVE-2026-56162

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_sql_database	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper authentication flaw in Azure SQL Database that allows an unauthorized attacker to gain elevated privileges over a network without proper credentials.

Detection Guidance

Detection requires monitoring Azure SQL Database authentication logs for unusual privilege escalation attempts. Check for failed login spikes or unexpected admin role assignments. Use Azure Monitor or SQL audit logs to review authentication events and role changes.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data, modify or delete database contents, or take control of the database system, leading to data breaches or service disruption.

Compliance Impact

This vulnerability could lead to unauthorized data access or exposure, violating compliance requirements for data protection and privacy such as GDPR or HIPAA, potentially resulting in legal penalties or reputational damage.

Mitigation Strategies

Apply the latest security updates from Microsoft for Azure SQL Database as soon as possible to address the improper authentication issue.

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