CVE-2020-16853

OneDrive for Windows Elevation of Privilege Vulnerability

HIGH
7.1
CVSS Score
Published: September 11, 2020 at 05:08 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
1 product affected across 1 vendorOneDrive

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Severity
HIGH7.1
Exploit prediction
EPSS 1.0%

Description

<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>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < publication
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.1HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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