CVE-2020-1471: Microsoft Windows 10

High severity, CVSS 7.3. EPSS: 1.2% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists when Microsoft Windows CloudExperienceHost fails to check COM objects. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application. The security update addresses the vulnerability by checking COM objects.

Affected products

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

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