Privilege escalation in Microsoft products - CVE-2016-7182

Vulnerability identifier: #VU975

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-2016-7182

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: Public exploit is available

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

The weakness exists due to boundary error in the Microsoft Windows kernel-mode driver (Win32k). By running a malicious program on the affected system attackers can execute arbitrary code with SYSTEM privileges.

Successful exploitation of the vulnerability may result in a complete system compromise.

Microsoft Windows
Windows Server
Word Viewer
Microsoft Office
Microsoft Live Meeting
Microsoft Lync
Lync Attendee

Install update from vendor's website.

• Exploit #432 - Microsoft Windows - 'win32k.sys' TTF Processing win32k!sbit_Embolden / win32k!ttfdCloseFontContext Use-After-Free (MS16-120) (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/MS16-120

• Multiple vulnerabilities in Microsoft Windows
• True Type Font Parsing Elevation of Privilege Vulnerability