CVE-2026-26135 — CRITICAL (9.6)

Vulnerability Description

Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.

CVSS Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Azure Custom Locations Resource Provider	-

Related Weaknesses (CWE)

CWE-918

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26135Vendor Advisory

FAQ

What is CVE-2026-26135?

CVE-2026-26135 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.

How severe is CVE-2026-26135?

CVE-2026-26135 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-26135?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Azure Custom Locations Resource Provider.