CVE-2026-40381: CWE-284: Improper Access Control in Microsoft Azure Connected Machine Agent
Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-40381 is an improper access control vulnerability (CWE-284) in Microsoft Azure Connected Machine Agent version 1.0.0. This flaw enables an attacker with authorized local access to escalate privileges on the affected system. The vulnerability has a CVSS 3.1 score of 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix and manages remediation for this cloud-hosted service. No known active exploitation has been reported.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining higher-level access than intended. This can lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As the Azure Connected Machine Agent is a cloud service, Microsoft manages remediation server-side. Users should follow the guidance in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40381 to ensure their environment is updated and protected.
CVE-2026-40381: CWE-284: Improper Access Control in Microsoft Azure Connected Machine Agent
Description
Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40381 is an improper access control vulnerability (CWE-284) in Microsoft Azure Connected Machine Agent version 1.0.0. This flaw enables an attacker with authorized local access to escalate privileges on the affected system. The vulnerability has a CVSS 3.1 score of 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix and manages remediation for this cloud-hosted service. No known active exploitation has been reported.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining higher-level access than intended. This can lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has provided an official fix for this vulnerability. As the Azure Connected Machine Agent is a cloud service, Microsoft manages remediation server-side. Users should follow the guidance in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40381 to ensure their environment is updated and protected.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-11T23:06:15.616Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40381","vendor":"Microsoft"}]
Threat ID: 6a036554cbff5d861008c962
Added to database: 05/12/2026, 17:37:24 UTC
Last enriched: 06/19/2026, 17:38:17 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 58
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