Privilege escalation in Windows and Windows Server - CVE-2018-8347

 

Privilege escalation in Windows and Windows Server - CVE-2018-8347

Published: August 14, 2018 / Updated: August 14, 2018


Vulnerability identifier: #VU14400
CSH Severity: Low
CVSS v4.0: 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:U/U:Clear
CVE-ID: CVE-2018-8347
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists Microsoft Windows due to an error when the Windows kernel fails to properly handle parsing of certain symbolic links. A local attacker can run a specially crafted application to potentially access privileged registry keys and thereby elevate permissions.


How to mitigate CVE-2018-8347

Install updates from vendor's website.

Sources