Vulnerability identifier: #VU976

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2016-3266

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows RT
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description
The vulnerability allows a local user to obtain elevated privileges on the target system.
The weakness occurs in the Win32k kernel driver of Microsoft Windows improper handling of objects within memory. By running a malicious programm attacker can obtain root privileges on the affected system that allows him to take actions within an elevated security context.
Succesful exploitation of the vulnerability may result in complete vulnerable system compromise.

Mitigation
Cybersecurity Help is currently unaware of any official patch addressing the vulnerability.

Vulnerable software versions

Windows RT: 7 - Vista

Windows Server: 2008 - 2012 R2

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External links
http://technet.microsoft.com/en-us/library/security/MS16-123

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.