CVE-2020-16973: Windows Backup Service Elevation of Privilege Vulnerability
First published: Fri Oct 16 2020(Updated: )
<p>An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations.</p> <p>To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how the Windows Backup Service handles file operations.</p>
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1709 | |
| Microsoft Windows 10 | =1803 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1903 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2016 | =1903 | |
| Microsoft Windows Server 2016 | =1909 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 |
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Frequently Asked Questions
What is the severity of CVE-2020-16973?
The severity of CVE-2020-16973 is rated as important by Microsoft due to its potential for elevation of privilege.
How do I fix CVE-2020-16973?
To fix CVE-2020-16973, apply the relevant security updates provided by Microsoft for your affected version of Windows.
Which versions of Windows are affected by CVE-2020-16973?
CVE-2020-16973 affects several versions of Windows including Windows 10, Windows 7, Windows Server 2016, and Windows Server 2019.
What type of vulnerability is CVE-2020-16973?
CVE-2020-16973 is an elevation of privilege vulnerability that arises from improper handling of file operations by the Windows Backup Service.
Can CVE-2020-16973 be exploited remotely?
No, CVE-2020-16973 cannot be exploited remotely as the attacker must first gain execution on the victim system.
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