CVE-2020-16853 HIGH

CVE-2020-16853: OneDrive for Windows Elevation of Privilege Vulnerability

Vendor Microsoft
Product OneDrive for Windows
Published September 11, 2020
Last update August 4, 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 the OneDrive for Windows Desktop application improperly handles symbolic links. An attacker who successfully exploited this vulnerability could overwrite a targeted file with an elevated status.</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 delete a targeted file with an elevated status.</p> <p>The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.</p>

Key dates

02Disclosure timeline

September 11, 2020 CVE published
August 4, 2024 Record updated