Vulnerability · Published Jul 24, 2026 · Assigned by microsoft
CVE-2026-58630Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Critical 10.0
In plain English
A critical-severity improper access control in Azure App Service for Linux from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.9%top 41.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure App Service for Linux | - |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
References
- Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability vendor-advisory, patch