Microsoft Windows Kernel 'Win32k.sys' CVE-2014-4113 Local Privilege Escalation Vulnerability

Description

Microsoft Windows is prone to a local privilege-escalation vulnerability. A local attacker can exploit this issue to execute arbitrary code with elevated privileges and gain access to kernel memory.

Technologies Affected

• Microsoft Exchange Server 2003 SP2
• Microsoft Windows 7 for 32-bit Systems SP1
• Microsoft Windows 7 for x64-based Systems SP1
• Microsoft Windows 8 for 32-bit Systems
• Microsoft Windows 8 for x64-based Systems
• Microsoft Windows 8.1 for 32-bit Systems
• Microsoft Windows 8.1 for x64-based Systems
• Microsoft Windows RT 8.1
• Microsoft Windows RT
• Microsoft Windows Server 2003 Itanium SP2
• Microsoft Windows Server 2003 x64 Edition Service Pack 2
• Microsoft Windows Server 2008 R2 for Itanium-based Systems SP1
• Microsoft Windows Server 2008 R2 for x64-based Systems SP1
• Microsoft Windows Server 2008 for 32-bit Systems SP2
• Microsoft Windows Server 2008 for Itanium-based Systems SP2
• Microsoft Windows Server 2008 for x64-based Systems SP2
• Microsoft Windows Server 2012
• Microsoft Windows Server 2012 R2
• Microsoft Windows Vista Service Pack 2
• Microsoft Windows Vista x64 Edition Service Pack 2

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.

Updates are available. Please see the references or vendor advisory for more information.