CVE-2020-16920: Windows Application Compatibility Client Library Elevation of Privilege Vulnerability

Published Oct 16, 2020
·
Updated

<p>An elevation of privilege vulnerability exists when the Windows Application Compatibility Client Library improperly handles registry operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.</p> <p>To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.</p> <p>The security update addresses the vulnerability by ensuring the Windows Application Compatibility Client Library properly handles registry operations.</p>

Other sources

An elevation of privilege vulnerability exists when the Windows Application Compatibility Client Library improperly handles registry operations, aka 'Windows Application Compatibility Client Library Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-16876.

Affected Software

19 affected components
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 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

Event History

Oct 16, 2020
CVE Published
10:17 PM
Data Sourced
10:17 PM
DescriptionSeverity
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2020-16920?

CVE-2020-16920 has a severity rating of important, indicating a significant risk of exploitation.

2

How do I fix CVE-2020-16920?

To mitigate CVE-2020-16920, ensure that you have installed the latest security updates provided by Microsoft.

3

What systems are affected by CVE-2020-16920?

CVE-2020-16920 affects multiple versions of Windows including Windows 10, Windows 7, Windows 8.1, and Windows Server editions.

4

What type of vulnerability is CVE-2020-16920?

CVE-2020-16920 is classified as an elevation of privilege vulnerability.

5

What could an attacker achieve by exploiting CVE-2020-16920?

An attacker exploiting CVE-2020-16920 could gain elevated privileges on the affected system.

Contact

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