CVE-2019-1340: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists in Windows AppX Deployment Server that allows file creation in arbitrary locations.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1322.

Affected products

• Microsoft Windows 10: version 1703 only; version 1709 only; version 1803 only; version 1809 only; version 1903 only
• Microsoft Windows Server 2016: version 1803 only; version 1903 only
• Microsoft Windows Server 2019: affected versions not specified

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