MS16-098: Description of the security update for Windows kernel-mode drivers: August 9, 2016

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, see
Get 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

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File hash 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

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File information

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 informationNotes

• 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 versionsFile 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 versionsFile 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 informationNotes

• 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 versionsFile 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 informationNotes

• 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 versionsFile 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 versionsFile 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 versionsFile 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 informationNotes

• 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 versionsFile 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 versionsFile 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 versionsFile name| File version| File size| Date| Time| Platform
  —|—|—|—|—|—
  Win32k.sys| 6.1.7601.23497| 7,512,064| 08-Jul-2016| 14:50| IA-64