CVE-2026-58630
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-58630- CVSS 3.1
- 10.0 Critical
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 - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-48602
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-48602- CVSS 3.1
- 10.0 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wv23-fpx3-g972
Improper access control in Azure App Service allows an unauthorized attacker to elevate...
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-wv23-fpx3-g972- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-58630- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-58630 is a critical vulnerability (CVSS 10.0) in Microsoft Azure App Service For Linux, published July 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.