MS16-102: Description of the security update for Microsoft Windows PDF library: August 9, 2016

Summary

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user views specially crafted PDF content online or opens a specially crafted PDF document. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on and has administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts that have full user rights.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-102.

More Information

Important

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

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.

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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 MS16-102 that corresponds to the version of Windows that you are running.

More Information

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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-KB3175887-x86.msu	3479C41775776C5C8AA184D784E60828CA10A1B9	74757644F458A17904855A4EF7FFDAE191A890D283200DBD1158D748BB29AC8D
Windows8.1-KB3175887-x64.msu	8BF24D9D112F4E76F590726FC25F59AC73A6207A	EE84454D1B925E5634F6ECC3BD59513DD3F69E0B297D15495CE45996D5C63078
Windows8-RT-KB3175887-x64.msu	E9D2E57C11881AA95AA38DBC916F9B6DC29B34BA	5539AA4F1E9A15673FE61A65C4F2E99536155EF8FC397B55394B1ED63B3968C7

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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
  —|—|—|—|—|—
  Windows.data.pdf.dll| 6.3.9600.18403| 5,265,920| 06-Jul-2016| 14:21| x86
  Glcndfilter.dll| 6.3.9600.18403| 5,270,016| 06-Jul-2016| 14:23| x86
  For all supported x64-based versionsFile name| File version| File size| Date| Time| Platform
  —|—|—|—|—|—
  Windows.data.pdf.dll| 6.3.9600.18403| 7,793,152| 06-Jul-2016| 14:26| x64
  Glcndfilter.dll| 6.3.9600.18403| 7,075,328| 06-Jul-2016| 14:26| x64
  Windows.data.pdf.dll| 6.3.9600.18403| 5,265,920| 06-Jul-2016| 14:21| x86
  Glcndfilter.dll| 6.3.9600.18403| 5,270,016| 06-Jul-2016| 14:23| x86
  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
  —|—|—|—|—|—
  Glcndfilter.dll| 6.2.9200.21924| 11,462,144| 06-Jul-2016| 16:05| x64
  Glcndfilter.dll| 6.2.9200.21924| 8,552,960| 06-Jul-2016| 16:43| x86