Buffer overflow in Windows and Windows Server - CVE-2018-8641
Published: December 11, 2018
Vulnerability identifier: #VU16464
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-2018-8641
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code with escalated privileges.
The vulnerability exists due to a boundary error in Windows kernel-mode driver win32k.sys. A local user can use a specially crafted application to execute arbitrary code with SYSTEM privileges.
How to mitigate CVE-2018-8641
Install updates from vendor's website.