CVE-2020-16910 MEDIUM

CVE-2020-16910: Windows Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1803
Published October 16, 2020
Last update August 4, 2024

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

<p>A security feature bypass vulnerability exists when Microsoft Windows fails to handle file creation permissions, which could allow an attacker to create files in a protected Unified Extensible Firmware Interface (UEFI) location.</p> <p>To exploit this vulnerability, an attacker could run a specially crafted application to bypass Unified Extensible Firmware Interface (UEFI) variable security in Windows.</p> <p>The security update addresses the vulnerability by correcting security feature behavior to enforce permissions.</p>

Key dates

02Disclosure timeline

October 16, 2020 CVE published
August 4, 2024 Record updated