CVE-2019-1420: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists in the way that the dssvc.dll handles file creation allowing for a file overwrite or creation in a secured location, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1422, CVE-2019-1423.

Affected products

• Microsoft Windows 10: affected versions not specified; version 1607 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2016: affected versions not specified; version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

Published 2019-11-12. Last modified 2026-06-17.