Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0263 Local Privilege Escalation Vulnerability

Bugtraq ID:	98258
Class:	Design Error
CVE:	CVE-2017-0263
Remote:	No
Local:	Yes
Published:	May 09 2017 12:00AM
Updated:	Jul 12 2017 04:06PM
Credit:	Mikhail Tsvetkov of Positive Technologies, Thomas Dupuy and Jessy Campos of ESET, and Dhanesh Kizhakkinan of FireEye Inc
Vulnerable:	Microsoft Windows Server 2016 0 Microsoft Windows Server 2012 R2 0 Microsoft Windows Server 2012 0 Microsoft Windows Server 2008 R2 for x64-based Systems SP1 Microsoft Windows Server 2008 R2 for Itanium-based Systems SP1 Microsoft Windows Server 2008 for x64-based Systems SP2 Microsoft Windows Server 2008 for Itanium-based Systems SP2 Microsoft Windows Server 2008 for 32-bit Systems SP2 Microsoft Windows RT 8.1 Microsoft Windows 8.1 for x64-based Systems 0 Microsoft Windows 8.1 for 32-bit Systems 0 Microsoft Windows 7 for x64-based Systems SP1 Microsoft Windows 7 for 32-bit Systems SP1 Microsoft Windows 10 version 1703 for x64-based Systems 0 Microsoft Windows 10 version 1703 for 32-bit Systems 0 Microsoft Windows 10 Version 1607 for x64-based Systems 0 Microsoft Windows 10 Version 1607 for 32-bit Systems 0 Microsoft Windows 10 version 1511 for x64-based Systems 0 Microsoft Windows 10 version 1511 for 32-bit Systems 0 Microsoft Windows 10 for x64-based Systems 0 Microsoft Windows 10 for 32-bit Systems 0
Not Vulnerable:

Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0263 Local Privilege Escalation Vulnerability

Microsoft Windows is prone to a local privilege-escalation vulnerability.

A local attacker can exploit this issue to execute arbitrary code in kernel mode with elevated privileges.

Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0263 Local Privilege Escalation Vulnerability

Reports indicate that this issue is being exploited in the wild.

This vulnerability is being exploited as part of the cyber espionage campaign identified in SYMC MATI report - 300622.

Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0263 Local Privilege Escalation Vulnerability

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

Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0263 Local Privilege Escalation Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• CVE-2017-0263 | Win32k Elevation of Privilege Vulnerability (Microsoft)