Applies ToWindows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1 Windows RT 8.1 Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Standard Windows Server 2012 Standard Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2008 R2 Service Pack 1 Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Standard Windows Server 2008 R2 Web Edition Windows Server 2008 R2 Foundation Windows 7 Service Pack 1 Windows 7 Ultimate Windows 7 Enterprise Windows 7 Professional Windows 7 Home Premium Windows 7 Home Basic Windows 7 Starter Windows Server 2008 Service Pack 2 Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 Standard Windows Server 2008 Web Edition Windows Server 2008 Foundation Windows Server 2008 for Itanium-Based Systems Windows Vista Service Pack 2 Windows Vista Ultimate Windows Vista Enterprise Windows Vista Business Windows Vista Home Premium Windows Vista Home Basic Windows Vista Starter

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. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-098.

More Information

Important

  • All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or 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.

Known issues

After you apply this security update and you print multiple documents in succession, the first two documents may print successfully. However, the third and subsequent documents may not print. To resolve this issue, install update 3187022. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

3187022 Print functionality is broken after any of the MS16-098 security updates are installed This problem is also resolved in Microsoft Security Bulletin MS16-106.

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, seeGet security updates automatically. Note For Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: 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 MS16-098 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 name

SHA1 hash

SHA256 hash

Windows8.1-KB3177725-x86.msu

155B2831B66F4186BE0A7181722C5D2DBF2A47A9

719F5AE32B26D37ACBD32F72103169E5823815EAB97F26D57E600E1DF7E793B2

Windows8-RT-KB3177725-x64.msu

A2DEC6C4BB5EF29E6551D27F8A8DCB44AA3E5F22

0B99B50D1F94A4C4EEDB07F0272B49DDF80FED31F416EDCE0326DA80A1563A63

Windows6.0-KB3177725-x86.msu

3812D050DEEAA13B0DFA18B4C620FFCD421AC7F1

0D7B6B3BC3D3B0BF1191B0AB2BBE8A3EEB34139E973A3B3026752C7E2F669310

Windows6.1-KB3177725-x86.msu

A481F107D897B7EC87BC24ED2B651C4FAB19C6EF

1226DC1D83A14CCD9E4D6511B3D329917F08E049B05F68E6699042B4D1E58339

Windows6.1-KB3177725-x64.msu

75AC8F73407FAF6DE6B4A89FBBFE81E804B5BA51

43FB6D455BB23FDF1ED6761AF88BC4DF4B45A091CF3C5B8561593D065A0D7A2B

Windows8.1-KB3177725-x64.msu

F42C96AB2BE7858E7CFAF224D8D19245658C3196

A657B20C56600698F46A1976AB39CF87C22798F86B355376FACE9263AF5E5055

Windows6.0-KB3177725-ia64.msu

CA0425F54E811F91FF437DC638B6B74B9FE329E2

7DB5E00A5AFB325998FD7CF37D8328F00ECFCC044AC622D10FFC975476EE8455

Windows6.0-KB3177725-x64.msu

3EAF0EEA31AC9908A5201370DEC40D99AC5A4227

93228C7DFC7BECED764A53DB0E7AB5FEDD122B3BC84B7E027EF8B06149AAC084

Windows6.1-KB3177725-ia64.msu

0A6D2CF01995D4EA32B05655C2EBDEAD341C587B

22E9DB29161FA4D9327814B78A04DB3D3FFB5F6C0A2FC4F5AF5EFF33379F7D0F

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

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. 

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.16xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.17xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.18xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • 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 name

File version

File size

Date

Time

Platform

Win32k.ptxml

Not applicable

4,213

21-Aug-2013

23:39

Not applicable

Win32k.sys

6.3.9600.18405

3,479,552

08-Jul-2016

14:18

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.ptxml

Not applicable

4,213

22-Aug-2013

06:44

Not applicable

Win32k.sys

6.3.9600.18405

4,169,216

08-Jul-2016

14:18

x64

Wow64_win32k.ptxml

Not applicable

4,213

21-Aug-2013

23:39

Not applicable

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 0.17xxx

    Windows 8, Windows RT, or Windows Server 2012

    RTM

    GDR

    6.2.920 0.21xxx

    Windows 8, Windows RT, or Windows Server 2012

    RTM

    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 x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.ptxml

Not applicable

4,172

25-Jul-2012

20:29

Not applicable

Win32k.sys

6.2.9200.21926

4,047,872

09-Jul-2016

06:37

x64

Wow64_win32k.ptxml

Not applicable

4,172

12-Feb-2013

00:09

Not applicable

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 2.19xxx

    Windows Vista or Windows Server 2008

    SP2

    GDR

    6.0.600 2.23xxx

    Windows Vista or Windows Server 2008

    SP2

    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 name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.19668

2,072,064

11-Jul-2016

05:40

x86

Win32k.sys

6.0.6002.23984

2,080,256

09-Jul-2016

14:21

x86

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.19668

6,697,472

11-Jul-2016

05:43

IA-64

Win32k.sys

6.0.6002.23984

6,707,200

09-Jul-2016

14:25

IA-64

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.19668

2,803,200

11-Jul-2016

06:01

x64

Win32k.sys

6.0.6002.23984

2,805,760

09-Jul-2016

14:41

x64

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 1.18xxx

    Windows 7 or Windows Server 2008 R2

    SP1

    GDR

    6.1.760 1.23xxx

    Windows 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 name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7601.23497

2,399,232

08-Jul-2016

14:53

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7601.23497

3,218,944

08-Jul-2016

15:01

x64

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7601.23497

7,512,064

08-Jul-2016

14:50

IA-64

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