CVE-2020-16877 HIGH

CVE-2020-16877: Windows Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1909
Published October 16, 2020
Last update November 18, 2024

CVSS base score

7.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

<p>An elevation of privilege vulnerability exists when Microsoft Windows improperly handles reparse points. An attacker who successfully exploited this vulnerability could overwrite or delete a targeted file that would normally require elevated permissions.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and overwrite or delete files.</p> <p>The security update addresses the vulnerability by correcting how Windows handles reparse points.</p>

Key dates

02Disclosure timeline

October 16, 2020 CVE published
November 18, 2024 Record updated