CVE-2020-1244: Microsoft Windows 10

High severity, CVSS 7.1. EPSS: 3% chance of exploitation in the next 30 days.

A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations, aka 'Connected User Experiences and Telemetry Service Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-1120.

Affected products

• Microsoft Windows 10: 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 2020-06-09. Last modified 2026-06-17.