CVE-2026-58630 Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
An unauthorized attacker can elevate privileges in Azure App Service on Azure Stack Hub due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58630?
CVE-2026-58630 is a critical vulnerability in Microsoft Azure App Service for Linux, published on 24 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
Weakness: CWE-284
Which versions are affected by CVE-2026-58630?
It affects 1 product.
Products include Microsoft Azure App Service for Linux.
How do I fix CVE-2026-58630?
No fix has been published for CVE-2026-58630 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-58630 being exploited?
There is no known exploitation of CVE-2026-58630 in the wild and no public exploit code.
Sources
Also known as GHSA-wv23-fpx3-g972.