Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2019-1130

 

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2019-1130

Published: July 10, 2019 / Updated: May 23, 2022


Vulnerability identifier: #VU19121
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-2019-1130
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

How to mitigate CVE-2019-1130

Install update from vendor's website.


External References

Related Security Bulletins