CVE-2020-0621: Microsoft Windows 10

Medium severity, CVSS 4.4. EPSS: 1% chance of exploitation in the next 30 days.

A security feature bypass vulnerability exists in Windows 10 when third party filters are called during a password update, aka 'Windows Security Feature Bypass Vulnerability'.

Affected products

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

Published 2020-01-14. Last modified 2026-06-17.