What’s Vulnerable › Vulnerabilities

CVE-2023-21777: Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-14 · updated 2026-08-19
• Weakness: CWE-284

Description

Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability

Affected products

• Microsoft Azure App Service on Azure Stack: all versions
• Microsoft Azure App Service on Azure Stack: from 98.0.0 before 98.0.1.703 — fixed in 98.0.1.703

How to fix

Upgrade to a fixed version: Microsoft Azure App Service on Azure Stack 98.0.1.703. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21777
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21777

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