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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2934
        Microsoft Security Bulletin MS16-151 - Important: Security
             Update for Windows Kernel-Mode Drivers (3205651)
                             13 December 2016

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Windows Kernel-Mode Drivers
Publisher:         Windows
Operating System:  Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
                   Windows 8.1
                   Windows Server 2012
                   Windows Server 2012 R2
                   Windows RT 8.1
                   Windows 10
                   Windows Server 2016
Impact/Access:     Administrator Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-7260 CVE-2016-7259 

Original Bulletin: 
   https://technet.microsoft.com/en-us/library/security/MS16-151

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Microsoft Security Bulletin MS16-151 - Important: Security Update for Windows
Kernel-Mode Drivers (3205651)

Published Date:	 	December 14, 2016

Version: 		1.0

Executive Summary

This security update resolves vulnerabilities in Microsoft Windows. The 
vulnerabilities could allow elevation of privilege if an attacker logs on to 
an affected system and runs a specially crafted application that could exploit
the vulnerabilities and take control of an affected system.

The update addresses the vulnerabilities by correcting how the Windows 
kernel-mode driver handles objects in memory.

This security update is rated Important for all supported releases of Windows.

Affected Software

Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT 8.1
Windows 10
Windows Server 2016

Vulnerability Information

Win32k Elevation of Privilege Vulnerability CVE-2016-7259

An elevation of privilege vulnerability exists when the Windows Graphics 
Component improperly handles objects in memory. An attacker who successfully 
exploited this vulnerability could run processes in an elevated context.

To exploit this vulnerability an attacker could run a specially crafted 
application to take control of the affected system.

Vulnerability title 				CVE number	Publicly disclosed	Exploited
Win32k Elevation of Privilege Vulnerability	CVE-2016-7259	No			No

Win32k Elevation of Privilege Vulnerability CVE-2016-7260

An elevation of privilege vulnerability exists in Windows when the Windows 
kernel-mode driver fails to properly handle objects in memory. An attacker who
successfully exploited this vulnerability could run arbitrary code in kernel 
mode. An attacker could then install programs; view, change, or delete data; 
or create new accounts with full user rights.

To exploit this vulnerability, an attacker would first have to log on to the 
system. An attacker could then run a specially crafted application that could
exploit the vulnerability and take control of an affected system. The update 
addresses this vulnerability by correcting how the Windows kernel-mode driver
handles objects in memory.

Vulnerability title 				CVE number	Publicly disclosed	Exploited
Win32k Elevation of Privilege Vulnerability	CVE-2016-7260	No			No

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