Privilege escalation in Windows and Windows Server - CVE-2018-8219

 

Privilege escalation in Windows and Windows Server - CVE-2018-8219

Published: June 12, 2018


Vulnerability identifier: #VU13319
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8219
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows an adjacent attacker to gain elevated privileges on the target system.

The vulnerability exists due to an error when Windows Hyper-V instruction emulation fails to properly enforce privilege levels. An adjacent attacker can gain elevated privileges on a target guest operating system.


How to mitigate CVE-2018-8219

Install updates from vendor's website.

Sources