CVE-2026-65816
Received Received - Intake

Use of Incorrectly-Resolved Name in Azure Arc Allows Privilege Escalation

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Microsoft Corporation

Description
Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

CVSS Scores

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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-2026-65816
EUVD
EUVD-2026-63621

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft azure_arc *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-706 The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

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Executive Summary

This vulnerability involves Azure Arc incorrectly resolving a name or reference, allowing an unauthorized attacker to escalate privileges over a network. It is a high-severity issue with a CVSS score of 10.0, indicating maximum impact and exploitability.

Impact Analysis

An attacker could gain full control over affected Azure Arc systems, leading to unauthorized access, data breaches, or further network compromise. The high CVSS score suggests widespread potential impact.

Mitigation Strategies

Apply the latest security updates from Microsoft for Azure Arc. Review and restrict network access to Azure Arc components. Monitor for unauthorized privilege escalation attempts.

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