Privilege escalation in Microsoft Windows and Windows Server - CVE-2016-7246

Vulnerability identifier: #VU5326

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-2016-7246

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The weakness is due to improper handling of objects in memory in win32k.sys. By running a specially crafted program, a local attacker can trigger memory corruption and execute arbitrary code with system privileges.

Successful explotation of the vulnerability results in privilege escalation.

Microsoft Windows
Windows Server

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/ms16-135

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