Vulnerabilities > CVE-2020-16920 - Unspecified vulnerability in Microsoft products

CVSS 7.8 - HIGH

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

LOW

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

local

low complexity

microsoft

NVD

Published: 2020-10-16

Updated: 2023-12-31

Summary

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. To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Application Compatibility Client Library properly handles registry operations.

Vulnerable Configurations

Part	Description	Count
OS	Microsoft Microsoft Windows Server 2008 R2 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2012 - Microsoft Windows 10 1607 Microsoft Windows 10 - 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 8.1 - Microsoft Windows Server 2016 - Microsoft Windows Server 2016 1903 Microsoft Windows Server 2016 1909 Microsoft Windows Server 2016 2004 Microsoft Windows 7 - Microsoft Windows RT 8.1 - Microsoft Windows Server 2019 -	19

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16920