CVE-2020-1386: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days.

An information vulnerability exists when Windows Connected User Experiences and Telemetry Service improperly discloses file information, aka 'Connected User Experiences and Telemetry Service 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: version 1903 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2020-07-14. Last modified 2026-06-17.