CVE-2023-38163 HIGH

CVE-2023-38163: Windows Defender Attack Surface Reduction Security Feature Bypass

Vendor Microsoft
Product Microsoft Defender Security Intelligence Updates
Published September 12, 2023
Last update October 30, 2025

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Windows Defender Attack Surface Reduction Security Feature Bypass

Key dates

02Disclosure timeline

September 12, 2023 CVE published
October 30, 2025 Record updated