CVE-2025-21396 HIGH

CVE-2025-21396: Microsoft Account Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Account
Weakness CWE-862 · Missing authorization
Published January 29, 2025
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

January 29, 2025 CVE published
June 9, 2026 Record updated