CVE-2026-65816 CRITICAL

CVE-2026-65816: Azure Arc Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure Web Apps
Weakness CWE-706
Published August 20, 2026
Last update August 28, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

August 20, 2026 CVE published
August 28, 2026 Record updated