CVE-2020-1146: Microsoft Windows 10

Medium severity, CVSS 6.6. EPSS: 0.8% chance of exploitation in the next 30 days.

<p>An elevation of privilege vulnerability exists when the Microsoft Store Runtime 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 Microsoft Store Runtime handles memory.</p>

Affected products

• Microsoft Windows 10: version 1607 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only; version 1909 only; …
• Microsoft Windows Server 2016: affected versions not specified; version 1903 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2019: affected versions not specified

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