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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2677
          MS16-139: Security Update for Windows Kernel (3199720)
                              9 November 2016

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

Product:           Microsoft Windows Kernel
Publisher:         Microsoft
Operating System:  Windows Vista
                   Windows Server 2008
                   Windows 7
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-7216  

Original Bulletin: 
   https://technet.microsoft.com/en-us/library/security/MS16-139

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Microsoft Security Bulletin MS16-139: Security Update for Windows Kernel 
(3199720)

Severity: 		Important
Version: 		1.0
Published Date:	 	November 8, 2016

Executive Summary 

This security update resolves a vulnerability in Microsoft 
Windows. The vulnerability could allow elevation of privilege if an attacker 
runs a specially crafted application to access sensitive information. A 
locally authenticated attacker could attempt to exploit this vulnerability by
running a specially crafted application. An attacker can gain access to 
information not intended to be available to the user by using this method. 

This security update is rated Important for Microsoft Windows Vista, Windows 
Server 2008, Windows 7, and Windows Server 2008 R2 (and Server Core).

Affected Software
Windows Vista
Windows Server 2008
Windows 7

Vulnerability Information 

Windows Kernel Elevation of Privilege Vulnerability - CVE-2016-7216 

An elevation of privilege vulnerability exists in the way that
the Windows Kernel API enforces permissions. An attacker who successfully 
exploited the vulnerability could gain access to information that is not 
intended for the user. 
To exploit the vulnerability a locally-authenticated attacker could run a 
specially crafted application. The security update addresses the vulnerability
by helping to ensure that the Windows Kernel API properly enforces permissions. 
The following table contains links to the standard entry for each vulnerability
in the Common Vulnerabilities and Exposures list:

Vulnerability title 					CVE number 	Publicly disclosed 	Exploited 
Windows Kernel Elevation of Privilege Vulnerability 	CVE-2016-7216 	No 			No

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===========================================================================
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The University of Queensland
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