CVE-2020-1532: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

<p>An elevation of privilege vulnerability exists when the Windows InstallService improperly handles memory.</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 InstallService handles memory.</p>

Affected products

• Microsoft Windows 10: version 1903 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2016: version 1903 only; version 1909 only; version 2004 only

Published 2020-09-11. Last modified 2026-06-17.