CVE-2026-58630 — CRITICAL (10.0)

Vulnerability Description

Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.

CVSS Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Azure App Service For Linux	-

Related Weaknesses (CWE)

CWE-284

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58630Vendor Advisory

FAQ

What is CVE-2026-58630?

CVE-2026-58630 is a vulnerability with a CVSS score of 10.0 (CRITICAL). Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.

How severe is CVE-2026-58630?

CVE-2026-58630 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-58630?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Azure App Service For Linux.