CVE-2019-1337: Microsoft Windows 10

Medium severity, CVSS 5.5. EPSS: 2.2% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when Windows Update Client fails to properly handle objects in memory, aka 'Windows Update Client Information Disclosure Vulnerability'.

Affected products

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

Published 2019-10-10. Last modified 2026-06-17.