CVE-2025-21259 MEDIUM

CVE-2025-21259: Microsoft Outlook Spoofing Vulnerability

Vendor Microsoft
Product Microsoft Outlook for Android
Weakness CWE-451
Published February 11, 2025
Last update February 13, 2026

CVSS base score

5.3/10
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:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Microsoft Outlook Spoofing Vulnerability

Key dates

02Disclosure timeline

February 11, 2025 CVE published
February 13, 2026 Record updated