Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2019-1476
Published: December 10, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU23476
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1476
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows AppX Deployment Service (AppXSVC) handles hard links. A local user can create a malicious application, launch it on the system and run processes in an elevated context, then install programs; view, change or delete data.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2019-1476
Install update from vendor's website.