CVE-2026-24306: CWE-284: Improper Access Control in Microsoft Azure Front Door
Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability in Azure Front Door (AFD) involves improper access control (CWE-284) that enables an attacker without privileges to escalate their access rights remotely over the network. The CVSS 3.1 vector indicates no user interaction is required, and the attack complexity is low. The vulnerability affects the cloud-hosted Azure Front Door service. Microsoft has published an official fix and manages remediation on their cloud platform.
Potential Impact
Successful exploitation could lead to full compromise of the Azure Front Door service, resulting in complete loss of confidentiality, integrity, and availability of the affected service. This could allow attackers to manipulate traffic, bypass security controls, or disrupt service operations.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for Azure Front Door as a cloud service. Customers should verify that their Azure Front Door instances are updated according to Microsoft's guidance at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306. No additional customer action is required beyond ensuring the service is up to date.
CVE-2026-24306: CWE-284: Improper Access Control in Microsoft Azure Front Door
Description
Improper access control in Azure Front Door (AFD) allows an unauthorized attacker to elevate privileges over a network.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Azure Front Door (AFD) involves improper access control (CWE-284) that enables an attacker without privileges to escalate their access rights remotely over the network. The CVSS 3.1 vector indicates no user interaction is required, and the attack complexity is low. The vulnerability affects the cloud-hosted Azure Front Door service. Microsoft has published an official fix and manages remediation on their cloud platform.
Potential Impact
Successful exploitation could lead to full compromise of the Azure Front Door service, resulting in complete loss of confidentiality, integrity, and availability of the affected service. This could allow attackers to manipulate traffic, bypass security controls, or disrupt service operations.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability and manages remediation for Azure Front Door as a cloud service. Customers should verify that their Azure Front Door instances are updated according to Microsoft's guidance at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24306. No additional customer action is required beyond ensuring the service is up to date.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-21T21:28:02.969Z
- 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-2026-24306","vendor":"Microsoft"}]
Threat ID: 6972ad5b4623b1157c962bb0
Added to database: 01/22/2026, 23:06:03 UTC
Last enriched: 07/30/2026, 23:52:07 UTC
Last updated: 08/21/2026, 22:52:11 UTC
Views: 621
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