CVE-2026-69555

Received Received - Intake

Incorrect Authorization in Azure Arc Elevates Privileges

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Microsoft Corporation

Description

Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-69555

EUVD

EUVD-2026-63627

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_arc	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in Azure Arc, allowing an unauthorized attacker to gain elevated privileges over a network without proper authentication or permission.

Impact Analysis

An attacker could exploit this to take control of Azure Arc resources, leading to unauthorized access, data breaches, or disruption of services. The high CVSS score (10.0) indicates severe potential impact.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR (data protection) and HIPAA (healthcare privacy) requirements. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Apply the latest security updates from Microsoft for Azure Arc immediately. Review and restrict network access to Azure Arc endpoints. Monitor for unusual privilege escalation attempts or unauthorized access patterns.

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