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  2. MS16-016: Description of the security update for WebDAV: February 9, 2016

MS16-016: Description of the security update for WebDAV: February 9, 2016

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Summary

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker uses the Microsoft Web Distributed Authoring and Versioning (WebDAV) client to send specifically crafted input to a server.




To learn more about the vulnerability, see Microsoft Security Bulletin MS16-016.

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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.

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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 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 MS16-016 that corresponds to the version of Windows that you are running.

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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

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File Information

File hash information
File nameSHA1 hashSHA256 hash
Windows8.1-KB3124280-x86.msuF13F6CF2732B3CB6D32A71E3B164393D59D7892601E5BF2806FCE649A92C73565A35534F196FF64E26727E4ADDFCF65D37F22F98
Windows8-RT-KB3124280-x64.msu060BEE6FBF597334392537EE976376284228147BFD2443AED21E695443650874F0800E0FCD830A127C8399AD99B7C1711C26F588
Windows6.1-KB3124280-x86.msu74F39EEDFE561769B1F9B76CDF99A10F5DF5B281AE4A2F287528DF544B4169F096A0298C5FD77A86289C0BFEF405D1E892318BCB
Windows8.1-KB3124280-x64.msu757E872B8A05457BC5272BAF244FA18444F2EF5FC65045459EF7C1144A19D03B2A65F597A4A7654EC5E5535A5211B59CCC0A3B62
Windows6.0-KB3124280-x64.msu00504E996F0F97D60A88DCF17B82A7379E37E9B46324CB9C722F0DB3C4155DE881E54C8316A610AAC110B2896BB664CCAA13E964
Windows6.0-KB3124280-x86.msuA913C0D3E23420AB8F2CEA3D92DCCEDAB595BBAB06EEF8BDC2F5ED02273D21E6A30B18FE84C9E0B2D8897171D780EE26E9298CCC
Windows6.1-KB3124280-x64.msuE0DA5E691CCC01AC5F2139128EA4F5D676D9B3676FB1FA0B1BC5282D1077BD23A18D9B499FDB2197130169EEEFD3646D33029E96
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 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:
    VersionProductMilestoneService branch
    6.3.960 0.17 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • 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 nameFile versionFile sizeDateTimePlatform
Mrxdav.sys6.3.9600.18189124,92806-Jan-201617:43x86
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Mrxdav.sys6.3.9600.18189140,80006-Jan-201618:25x64

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 0.17xxxWindows Server 2012RTMGDR
    6.2.920 0.21xxxWindows Server 2012RTMLDR
  • 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 nameFile versionFile sizeDateTimePlatform
Mrxdav.sys6.2.9200.17619142,33604-Jan-201605:46x64
Mrxdav.sys6.2.9200.21738142,33604-Jan-201605:10x64

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 1.18xxxWindows 7 or Windows Server 2008 R2 SP1GDR
    6.1.760 1.23 xxxWindows 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 nameFile versionFile sizeDateTimePlatform
Davclnt.dll6.1.7601.2331787,04007-Jan-201618:50x86
Mrxdav.sys6.1.7601.19113116,22407-Jan-201617:35x86
Mrxdav.sys6.1.7601.23317117,24807-Jan-201617:37x86
Webclnt.dll6.1.7601.23317208,89607-Jan-201618:59x86
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Davclnt.dll6.1.7601.23317108,54407-Jan-201619:05x64
Mrxdav.sys6.1.7601.19113141,31207-Jan-201617:42x64
Mrxdav.sys6.1.7601.23317142,33607-Jan-201617:49x64
Webclnt.dll6.1.7601.23317263,68007-Jan-201619:12x64
Mrxdav.sys6.1.7601.19113116,22407-Jan-201617:35x86
Mrxdav.sys6.1.7601.23317117,24807-Jan-201617:37x86
Davclnt.dll6.1.7601.2331787,04007-Jan-201618:50x86
Webclnt.dll6.1.7601.23317208,89607-Jan-201618:59x86

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 2.19xxxWindows Vista or Windows Server 2008SP2GDR
    6.0.600 2.23xxxWindows Vista or Windows Server 2008SP2LDR
  • 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 nameFile versionFile sizeDateTimePlatform
Mrxdav.sys6.0.6002.19576139,77607-Jan-201615:27x64
Mrxdav.sys6.0.6002.23886139,77607-Jan-201615:39x64
Mrxdav.sys6.0.6002.19576115,20007-Jan-201615:18x86
Mrxdav.sys6.0.6002.23886115,20007-Jan-201615:13x86
For all supported x86-based versions
File nameFile versionFile sizeDateTimePlatform
Mrxdav.sys6.0.6002.19576115,20007-Jan-201615:18x86
Mrxdav.sys6.0.6002.23886115,20007-Jan-201615:13x86

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Keywords: kbsecreview, kbsurveynew, kbsecvulnerability, kbsecurity, kbsecbulletin, kb, kblangall, kbfix, kbexpertiseinter, kbbug, atdownload, kbmustloc

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Article Info
Article ID : 3124280
Revision : 1
Created on : 1/7/2017
Published on : 2/9/2016
Exists online : False
Views : 236