Unrated severityCISA KEVNVD Advisory· Published Jun 12, 2019· Updated Oct 21, 2025
Windows Elevation of Privilege Vulnerability
CVE-2019-1064
Description
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by correcting how Windows AppX Deployment Service handles hard links.
Affected products
16- Range: 10.0.14393.0
- Range: 10.0.0
- Range: 10.0.0
- Microsoft/Windows 10 Version 1709 for 32-bit Systemsv5Range: 10.0.0
- Microsoft/Windows 10 Version 1803v5Range: 10.0.0
- Range: 10.0.0
- Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5Range: 10.0.0
- Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5Range: 10.0.0
- Microsoft/Windows 10 Version 1903 for x64-based Systemsv5Range: 10.0.0
- Range: 10.0.14393.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Microsoft/Windows Server, version 1803 (Server Core Installation)v5Range: 10.0.0
- Microsoft/Windows Server, version 1903 (Server Core installation)v5Range: 10.0.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1064mitrevendor-advisory
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