Description
<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>
Published: 2020-10-16
Score: 7.8 High
EPSS: 12.8% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Mon, 23 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description <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> <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>

Subscriptions

Microsoft Windows 10 Windows 10 1507 Windows 10 1607 Windows 10 1803 Windows 10 1809 Windows 10 1909 Windows 7 Windows 8.1 Windows Rt 8.1 Windows Server 1903 Windows Server 1909 Windows Server 2004 Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2024-08-04T13:45:34.497Z

Reserved: 2020-08-04T00:00:00.000Z

Link: CVE-2020-16920

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-10-16T23:15:14.790

Modified: 2026-02-23T18:21:23.723

Link: CVE-2020-16920

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses