CVE-2025-47171 MEDIUM

CVE-2025-47171: Microsoft Outlook Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft 365 Apps for Enterprise
Weakness CWE-20 · Input validation
Published June 10, 2025
Last update February 26, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.

Key dates

02Disclosure timeline

June 10, 2025 CVE published
February 26, 2026 Record updated