MS16-080: Description of the security update for Windows PDF: June 14, 2016

Summary

This security update resolves vulnerabilities in Microsoft Windows. The more severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted .pdf file. An attacker who successfully exploited the vulnerabilities could cause arbitrary code to execute in the context of the current user. However, an attacker would have no way to force a user to open a specially crafted .pdf file.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-080.

More Information

Important

• All future security and non-security 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.

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.

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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 MS16-080 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-KB3157569-x86.msu	7A54DAA038C8BA45C9D9C85C1C9FFDE9AC4AF39A	5AFD55D2B9C02EDCF3DE79768CA5CCB26999BD5AEE60BC57F8A0DABCA77D2C37
Windows8.1-KB3157569-arm.msu	0653868F5E22F4A92ED8BD8103788A60DD34704A	976E728A3CB61FEEFB28CE21915244486A5CCA69095229BB71C7D6EA4C9EDEC8
Windows8-RT-KB3157569-x64.msu	6F20DEAD297A1E6AD98894400DBE442B123ABF46	27ADF9E0CD642C89E8B1B0B0B54CD12FAC70D5694EC257B89EA3D980C1A02B9E
Windows8.1-KB3157569-x64.msu	6ECE495790D4B4AF4F8089E41A835ED4DA1DF34C	2615FDAD53DDCE2D19944B0D30D44E81D7393CF107421872824ABDFED7A02304

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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. 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, Windows RT 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| 6.3.9600.18336| 5,265,920| 09-May-2016| 20:23| x86
  Glcndfilter.dll| 6.3.9600.18336| 5,270,016| 09-May-2016| 20:56| x86
  For all supported ARM-based versionsFile name| File version| File size| Date| Time| Platform
  —|—|—|—|—|—
  Windows.data.pdf.dll| 6.3.9600.18336| 5,611,008| 09-May-2016| 20:19| Not applicable
  Glcndfilter.dll| 6.3.9600.18336| 5,309,952| 09-May-2016| 20:40| Not applicable
  For all supported x64-based versionsFile name| File version| File size| Date| Time| Platform
  —|—|—|—|—|—
  Windows.data.pdf.dll| 6.3.9600.18336| 7,793,152| 09-May-2016| 20:45| x64
  Glcndfilter.dll| 6.3.9600.18336| 7,075,328| 09-May-2016| 21:35| x64
  Windows.data.pdf.dll| 6.3.9600.18336| 5,265,920| 09-May-2016| 20:23| x86
  Glcndfilter.dll| 6.3.9600.18336| 5,270,016| 09-May-2016| 20:56| 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| 6.2.9200.21860| 11,462,144| 11-May-2016| 15:47| x64
  Glcndfilter.dll| 6.2.9200.21860| 8,552,448| 11-May-2016| 16:49| x86