CVE-2026-26141: CWE-287: Improper Authentication in Microsoft Azure Automation Hybrid Worker Windows Extension
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26141) affects Microsoft Azure Automation Hybrid Worker Windows Extension version 1.0.0 and is classified under CWE-287 (Improper Authentication). It allows an attacker with some level of authorization to escalate privileges locally due to improper authentication controls within the Azure Arc integration. The CVSS 3.1 vector indicates local attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This can lead to unauthorized access to sensitive information, modification of system configurations, or disruption of service. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official fix provided by Microsoft for Azure Automation Hybrid Worker Windows Extension version 1.0.0 as soon as possible to remediate the improper authentication issue. No additional mitigation steps are indicated beyond applying the patch.
CVE-2026-26141: CWE-287: Improper Authentication in Microsoft Azure Automation Hybrid Worker Windows Extension
Description
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26141) affects Microsoft Azure Automation Hybrid Worker Windows Extension version 1.0.0 and is classified under CWE-287 (Improper Authentication). It allows an attacker with some level of authorization to escalate privileges locally due to improper authentication controls within the Azure Arc integration. The CVSS 3.1 vector indicates local attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released a patch to remediate this issue.
Potential Impact
An authorized attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This can lead to unauthorized access to sensitive information, modification of system configurations, or disruption of service. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official fix provided by Microsoft for Azure Automation Hybrid Worker Windows Extension version 1.0.0 as soon as possible to remediate the improper authentication issue. No additional mitigation steps are indicated beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T16:24:51.134Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05632ea502d3aa87d6b62
Added to database: 3/10/2026, 5:34:42 PM
Last enriched: 4/18/2026, 2:17:04 PM
Last updated: 4/28/2026, 9:21:33 AM
Views: 66
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