CVE-2026-26135 CRITICAL

CVE-2026-26135: Azure Custom Locations Resource Provider (RP) Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure Custom Locations Resource Provider
Weakness CWE-918 · SSRF
Published April 2, 2026
Last update June 1, 2026

CVSS base score

9.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 2, 2026 CVE published
June 1, 2026 Record updated