CVE-2026-26141
Received Received - Intake
Improper Authentication in Azure Arc Enables Local Privilege Escalation

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-26141
EUVD
EUVD-2026-10700
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft azure_automation_hybrid_worker_windows_extension From 1.0.0 (inc) to 1.3.74 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
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Executive Summary

This vulnerability is an improper authentication issue in Microsoft Azure Arc. It allows an authorized attacker to elevate their privileges locally, meaning they can gain higher-level access than they should have within the system.

Impact Analysis

The impact of this vulnerability is an elevation of privilege, which can lead to an attacker gaining greater control over the affected system. This can result in unauthorized access to sensitive data, modification of system configurations, or disruption of services.

Compliance Impact

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Detection Guidance

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