CVE-2026-21224 HIGH

CVE-2026-21224: Azure Connected Machine Agent Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure Connected Machine Agent
Weakness CWE-121
Published January 13, 2026
Last update April 1, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
April 1, 2026 Record updated