CVE-2026-23660: CWE-284: Improper Access Control in Microsoft Windows Admin Center in Azure Portal
Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-23660) involves improper access control (CWE-284) in the Windows Admin Center component of the Azure Portal. An authorized attacker with local access can elevate privileges due to insufficient access restrictions. The CVSS 3.1 vector indicates local attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
An authorized attacker with local access to the Windows Admin Center in Azure Portal can elevate their privileges, potentially gaining higher-level access than intended. This can lead to full compromise of the affected component's confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for the cloud-hosted Windows Admin Center service in Azure Portal. Users should ensure their Azure Portal services are updated per Microsoft's guidance. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23660 for detailed remediation instructions.
CVE-2026-23660: CWE-284: Improper Access Control in Microsoft Windows Admin Center in Azure Portal
Description
Improper access control in Azure Portal Windows Admin Center 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
This vulnerability (CVE-2026-23660) involves improper access control (CWE-284) in the Windows Admin Center component of the Azure Portal. An authorized attacker with local access can elevate privileges due to insufficient access restrictions. The CVSS 3.1 vector indicates local attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix and manages remediation for this cloud-hosted service.
Potential Impact
An authorized attacker with local access to the Windows Admin Center in Azure Portal can elevate their privileges, potentially gaining higher-level access than intended. This can lead to full compromise of the affected component's confidentiality, integrity, and availability.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for the cloud-hosted Windows Admin Center service in Azure Portal. Users should ensure their Azure Portal services are updated per Microsoft's guidance. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23660 for detailed remediation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-14T16:59:33.463Z
- 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-2026-23660","vendor":"Microsoft"}]
Threat ID: 69b05626ea502d3aa87d6882
Added to database: 03/10/2026, 17:34:30 UTC
Last enriched: 06/19/2026, 20:24:36 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 159
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