#VU19120 Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2019-1129
Published: July 10, 2019 / Updated: March 16, 2022
Vulnerability identifier: #VU19120
Vulnerability risk: Low
CVSSv4.0: 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/E:A/U:Clear
CVE-ID: CVE-2019-1129
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
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.
Remediation
Install update from vendor's website.