CVE-2020-16851: OneDrive for Windows Elevation of Privilege Vulnerability
First published: Fri Sep 11 2020(Updated: )
<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>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft OneDrive |
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Frequently Asked Questions
What is the severity of CVE-2020-16851?
CVE-2020-16851 is considered a critical elevation of privilege vulnerability.
How do I fix CVE-2020-16851?
To fix CVE-2020-16851, ensure that the latest updates and patches for OneDrive are installed.
Who is affected by CVE-2020-16851?
CVE-2020-16851 affects users of the OneDrive for Windows Desktop application.
What could an attacker do with CVE-2020-16851?
An attacker exploiting CVE-2020-16851 could overwrite a targeted file with elevated privileges.
When was CVE-2020-16851 disclosed?
CVE-2020-16851 was disclosed in July 2020.
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