CVE-2020-1075: Microsoft Windows 10

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

An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. A attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.

Affected products

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

Published 2020-05-21. Last modified 2026-08-19.