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
CVE-2026-24306 is an improper access control vulnerability (CWE-284) in Microsoft Azure Front Door. It enables an attacker without privileges to elevate their access rights over the network, resulting in high impact on confidentiality, integrity, and availability. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). A patch is available from Microsoft to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized attacker to gain elevated privileges within Azure Front Door, potentially compromising sensitive data, modifying or disrupting services, and causing significant operational impact. The high CVSS score reflects the critical nature of the access control failure and its broad impact on security properties.
Mitigation Recommendations
An official patch is available to remediate this vulnerability. Users should apply the vendor-provided fix promptly to eliminate the improper access control issue. Since this is not a cloud service vulnerability managed server-side by Microsoft, customer action is required to deploy the patch. No additional mitigation steps are indicated by the vendor advisory.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-24306 is an improper access control vulnerability (CWE-284) in Microsoft Azure Front Door. It enables an attacker without privileges to elevate their access rights over the network, resulting in high impact on confidentiality, integrity, and availability. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). A patch is available from Microsoft to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability allows an unauthorized attacker to gain elevated privileges within Azure Front Door, potentially compromising sensitive data, modifying or disrupting services, and causing significant operational impact. The high CVSS score reflects the critical nature of the access control failure and its broad impact on security properties.
Mitigation Recommendations
An official patch is available to remediate this vulnerability. Users should apply the vendor-provided fix promptly to eliminate the improper access control issue. Since this is not a cloud service vulnerability managed server-side by Microsoft, customer action is required to deploy the patch. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-21T21:28:02.969Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6972ad5b4623b1157c962bb0
Added to database: 1/22/2026, 11:06:03 PM
Last enriched: 4/3/2026, 12:55:08 PM
Last updated: 5/10/2026, 7:48:17 AM
Views: 452
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