Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2019-1129
Published: July 10, 2019 / Updated: March 16, 2022
Vulnerability identifier: #VU19120
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-2019-1129
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
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 hard link to a critical file on the system and gain full control over that file.
Successful exploitation of the vulnerability may allow an attacker to gain elevated privileges.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2019-1129
Install update from vendor's website.