CVE-2020-1290: 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 the win32k component improperly provides kernel information, aka 'Win32k 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 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.