MS16-073: Description of the security update for kernel mode drivers: June 14, 2016

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

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-073.
More information
Important
  • All future security and non-security updates for Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows Server 2012 R2-based computer so that you receive future updates.
  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Get security updates automatically.

Method 2: Microsoft Download Center

You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

Click the download link in Microsoft Security Bulletin MS16-073 that corresponds to the version of Windows that you are running.
More information

How to obtain help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support
File Information

File hash information

File nameSHA1 hashSHA256 hash
Windows8.1-KB3161664-x86.msu05752F57EAD67CB1D8F8F659D9B787E31872F732CA8473D5654DF4B888C7A5BED387883E1A744CA167DBBABB09A4BCAB241B759A
Windows6.1-KB3161664-x86.msuB0B7F784AD22C76C631F200EBA78C44211F7820B188F2B3C23083FCCA2B5D541B3B1AA7819DE614DF1AF3312D65650B6CE13893A
Windows6.0-KB3161664-x64.msuA9A7B0ACEAB05F2C8C6D9DB398CBBDC060C77B1C454294C1F6D556E02C8A6E2FD173C11B97B9131137E1B916E7BC4AD916C76130
Windows6.1-KB3161664-ia64.msu8DCCD686BCC89C6B28CB81ACDE9E285DDED5F89D0EABD3F3D385CD92D05DD932C384E93687F33BF27E7BE03E632878B1595CA8D8
Windows6.1-KB3161664-x64.msuABCCDE2A5B3DB03DBECE4E248D882B6BE78AAF77C1B26F4857ECC8D2B964D019010772AB8D14B46F07C58F98D5291E27FEAA0CBF
Windows8.1-KB3161664-x64.msuC6DE1BFD7DCBB9E62AA04D505DE105B4082832916F4733390414637D5AD311BB8BF4E7C817CFCED88D8544FC8BEC34571B64BFE8
Windows6.0-KB3161664-x86.msu720836CED9C4F2655D1BA92A9963D80D9C2AEF117FF57AD524A66EE4787EF2AD9F8E974C465513F7D589956DE0C8EEE7FDC61C40
Windows8-RT-KB3161664-x64.msu3F3C12031442EAE489A46840BDDA71A1545D4C596E8CDBDC3C7D8792D4A64340E849DB6B8DE389CC5179B9D02F79A0D34F0D57A7
Windows6.0-KB3161664-ia64.msuF3E484904B0C55109E8ADF6B0AA1FD580723CA74E55E2D436381D3F7B1B675A0D503F4556F6696EF61FB34234691A4ECA9AFBB41

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information

Notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.3.960 0.16xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
    6.3.960 0.17xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
    6.3.960 0.18xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x86-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,21321-Aug-201323:39Not applicable
Win32k.sys6.3.9600.183403,492,86413-May-201622:24x86
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,21322-Aug-201306:44Not applicable
Win32k.sys6.3.9600.183404,169,21613-May-201623:09x64
Wow64_win32k.ptxmlNot applicable4,21321-Aug-201323:39Not applicable

Windows 7 and Windows Server 2008 R2 file information

Notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Version Product Milestone Service branch
    6.1.760 1.18xxxWindows 7 or Windows Server 2008 R2 SP1GDR
    6.1.760 1.23xxxWindows 7 or Windows Server 2008 R2 SP1 LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x86-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.234522,397,69612-May-201614:54x86
For all supported ia64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.234527,511,55212-May-201614:51IA-64
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.234523,217,40812-May-201615:03x64

Windows Vista and Windows Server 2008 file information

Notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Version Product Milestone Service branch
    6.0.600 2.19xxxWindows Vista or Windows Server 2008SP2GDR
    6.0.600 2.23xxxWindows Vista or Windows Server 2008SP2LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.0.6002.196572,801,66412-May-201614:45x64
Win32k.sys6.0.6002.239722,803,71212-May-201614:45x64
For all supported x86-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.0.6002.196572,071,04012-May-201614:21x86
Win32k.sys6.0.6002.239722,078,20812-May-201614:21x86
For all supported ia64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.0.6002.196576,696,44812-May-201614:26IA-64
Win32k.sys6.0.6002.239726,706,68812-May-201614:27IA-64

Windows Server 2012 file information

Notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    Version Product Milestone Service branch
    6.2.920 0.17xxxWindows 8, Windows RT, or Windows Server 2012RTMGDR
    6.2.920 0.21xxxWindows 8, Windows RT, or Windows Server 2012RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,17225-Jul-201220:29Not applicable
Win32k.sys6.2.9200.218614,054,01611-May-201613:30x64
Wow64_win32k.ptxmlNot applicable4,17212-Feb-201300:09Not applicable
malicious attacker exploit
Properties

Article ID: 3161664 - Last Review: 06/14/2016 17:28:00 - Revision: 1.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation

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