Privilege escalation in Microsoft Windows and Windows Server - CVE-2017-0056

Vulnerability identifier: #VU5961

CSH Severity: Medium

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-2017-0056

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The weakness exists due to improper handling of objects in memory by Windows kernel-mode driver. A local attacker can run a specially crafted application, gain elevated privileges and execute arbitrary code on the affected system.

Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.

Microsoft Windows
Windows Server

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/MS17-018

• Multiple vulnerabilities in Microsoft Windows
• Win32k Elevation of Privilege Vulnerability