This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an authenticated attacker makes malformed Remote Procedure Call (RPC) requests to an affected host.
To learn more about the vulnerability, see Microsoft Security Bulletin MS16-061.
Important
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 MS16-061 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-KB3153704-x86.msu | 29355F6F203FB9E9F75A9B9F4B52863D62B3DF28 | 48BC70D02C469DC090524FAA1D038C8B6F6E4C1F5F9CFD5B98872578DEF91854 |
Windows8.1-KB3153704-arm.msu | C970FE8BF58EA0858779A3B206AC3362CAEC5E9C | FC76E3810243742FEB585ED4F17AB6F076205CEF519A2C388E7A3D386B2BB8C2 |
Windows8.1-KB3153704-x64.msu | CF5B22D6BBF07F74FD3D5A83458D3E9B927900C7 | E96B2AD35FD0EF26B09991A97633810C665672A15B8019A84A6122F4EAC3D55A |
Windows8-RT-KB3153704-x64.msu | 7ED1F4E9102E1CE26D52B7FE03E3E74E1F987EC1 | 04BA7177728BD1E2A6F72F836ABC0396AA7B196524D77765F77EF8FA16A771FE |
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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, 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 |
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6.3.960 0.17 xxx | 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
—|—|—|—|—|—
Rpcrt4.dll| 6.3.9600.18292| 851,712| 31-Mar-2016| 05:25| x86
For all supported ARM-based versionsFile name| File version| File size| Date| Time| Platform
—|—|—|—|—|—
Rpcrt4.dll| 6.3.9600.18292| 708,136| 31-Mar-2016| 04:30| Not applicable
For all supported x64-based versionsFile name| File version| File size| Date| Time| Platform
—|—|—|—|—|—
Rpcrt4.dll| 6.3.9600.18292| 1,307,328| 31-Mar-2016| 06:50| x64
Rpcrt4.dll| 6.3.9600.18292| 747,520| 31-Mar-2016| 03:40| 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
—|—|—|—|—|—
Rpcrt4.dll| 6.2.9200.21826| 1,298,944| 06-Apr-2016| 16:04| x64
Rpcrt4.dll| 6.2.9200.21826| 695,296| 31-Mar-2016| 16:20| x86