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CVE-2026-58630— Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Azure App Service for Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Azure App Service是美国Microsoft公司的一个云计算应用托管服务。 Microsoft Azure App Service存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致未经授权的攻击者通过网络提升权限。

CVSS 10.0 · Critical EPSS 0.86% · P57

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Azure App Service for Linux - affected
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I. Basic Information for CVE-2026-58630

Vulnerability Information
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Vulnerability Title
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure App Service 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure App Service是美国Microsoft公司的一个云计算应用托管服务。 Microsoft Azure App Service存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致未经授权的攻击者通过网络提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure App Service for Linux - -

II. Public POCs for CVE-2026-58630

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III. Intelligence Information for CVE-2026-58630

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Vendor Advisories for CVE-2026-58630 (1)

Same Patch Batch · Microsoft · 2026-07-24 · 10 CVEs total

CVE-2026-56163 10.0 CRITICAL Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-57106 10.0 CRITICAL Data Quality Elevation of Privilege Vulnerability
CVE-2026-58275 10.0 CRITICAL Azure DNS Elevation of Privilege Vulnerability
CVE-2026-62825 10.0 CRITICAL Azure Key Vault Elevation of Privilege Vulnerability
CVE-2026-56191 10.0 CRITICAL Microsoft Exchange Online Tampering Vulnerability
CVE-2026-50517 9.9 CRITICAL Microsoft M365 Copilot Remote Code Execution Vulnerability
CVE-2026-62835 9.3 CRITICAL Azure Portal Information Disclosure Vulnerability
CVE-2026-35425 8.0 HIGH Azure API Management (APIM) Remote Code Execution Vulnerability
CVE-2026-49159 6.5 MEDIUM Microsoft Graph Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-284

V. Comments for CVE-2026-58630

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