CVE-2020-1217: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 4.4% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when the Windows Runtime improperly handles objects in memory, aka 'Windows Runtime Information Disclosure Vulnerability'.

Affected products

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

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