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Recent Microsoft Azure App Service Security Advisories

Advisory Title Published
CVE-2026-77900 CVE-2026-77900 Azure App Service Remote Code Execution Vulnerability October 8, 2026
CVE-2026-58630 CVE-2026-58630 Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability July 23, 2026
CVE-2023-21777 Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability February 14, 2023

By the Year

In 2026 there have been 2 vulnerabilities in Microsoft Azure App Service with an average score of 9.9 out of ten.

Year Vulnerabilities Average Score
2026 2 9.90

It may take a day or so for new Azure App Service vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Microsoft Azure App Service Security Vulnerabilities

Oct 2026: Azure App Service Remote Code Execution Vulnerability
CVE-2026-77900 9.8 - Critical - October 08, 2026

Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.

Missing Authentication for Critical Function

Jul 2026: Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
CVE-2026-58630 10 - Critical - July 24, 2026

Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.

Authorization

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