MS16-032: Description of the security update for the Windows Secondary Logon Service: March 8, 2016

Applies To
Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1 Windows RT 8.1 Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Standard Windows Server 2012 Standard Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2008 R2 Service Pack 1 Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Standard Windows Server 2008 R2 Web Edition Windows Server 2008 R2 Foundation Windows 7 Service Pack 1 Windows 7 Ultimate Windows 7 Enterprise Windows 7 Professional Windows 7 Home Premium Windows 7 Home Basic Windows 7 Starter Windows Server 2008 Service Pack 2 Windows Server 2008 Datacenter Windows Server 2008 Enterprise Windows Server 2008 Standard Windows Server 2008 Web Edition Windows Server 2008 Foundation Windows Server 2008 for Itanium-Based Systems Windows Vista Service Pack 2 Windows Vista Ultimate Windows Vista Enterprise Windows Vista Business Windows Vista Home Premium Windows Vista Home Basic Windows Vista Starter

Summary

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if the Windows Secondary Logon Service fails to properly manage request handles in memory.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-032.

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.

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 MS16-032 that corresponds to the version of Windows that you are running.

File information

File hash information
Package Name Package Hash SHA 1 Package Hash SHA 2
Windows6.0-KB3139914-ia64.msu 5C4224C9A09FC960B1D965B5B615B982DF5DC70E B8411D9BBA764D54B643610E82A27C5C90F681E4336151FDD4658ADAF5EF4A00
Windows6.0-KB3139914-x64.msu FB1546EE62327699F7A1D4CC7E5944FB47785355 8878C61C9D23E0377F57882739F508E47BBA14E90E555E16A6B5BCEEBA698348
Windows6.0-KB3139914-x86.msu 7ED958ADCDD1C8642AA1F999FFA23FA90605791E DC176F9F664702D60377A0A60892241EC86F2F9B7F56A4A566C6E5914B6F7C73
Windows6.1-KB3139914-ia64.msu 131A7E09FC2EA57CD7187CA3F7926B3CF08782CA B470755B4878EF5FE13D1C7BB79E34E30438EAEEA129192AFFB274241BFAE0CE
Windows6.1-KB3139914-x64.msu AD8A18B8AADA73F20225D233444A578902508596 914D18EAB67AA9D1EBB94A7385F3D89F17A8C1FFDB246C1787EF8231675C418F
Windows6.1-KB3139914-x86.msu 3DF17382A74DF45C63DFF5C1ED5858866E108A40 8E530F3CF323C51ECAD4554DEDD346888D9C70A654546282BBCDF527B3FB5925
Windows8.1-KB3139914-arm.msu FAF2AD0D146976C7B345CEBE6F61BC35D7142A52 01CF01F6F89F35777CF82DD950802BDA6F76C120EF16D97C8D77B1D7CDE2603A
Windows8.1-KB3139914-x64.msu C0ED0734CDE5D1EDDCC7AD0632EB539E766A9E93 BA91A1EC80FCC961FCD5821FC7BDA2686F394700865E8BA5335D1141C11A5FA2
Windows8.1-KB3139914-x86.msu 6A31676D512122E9667ED1F326BDD6CB48BFF7FF 1819751D11313083038535A4AB6CB2A752A7147A7CDCCF2454D6EC0157BBD87C
Windows8-RT-KB3139914-arm.msu AF61A3A65464CA266335019A6CF8E646D98B985A CAF9FBDF6833A559D82373477219758A9677F26DF42A8DDE14FAF3EAA47886F5
Windows8-RT-KB3139914-x64.msu 6BAD7F433012B695415A7E805764B5C5F8C39969 22ED3D8E74AFE0A8C35ACED827428A6AC0C11F015FFCE5EE1A2845C9106759AA
Windows8-RT-KB3139914-x86.msu 6A5A2E40C94C1DB9C610BF0960C6B3B841214F56 60FF44014E4FFE081C1E3F3E2D4CD292B6E2FB896268032D190DB2FADAB12673

      

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). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Vista and Windows Server 2008 file information

  • The files that apply to a specific product, milestone (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
    6.0.6002.19xxx Windows Vista SP2 or Windows Server 2008 SP2 SP2 GDR
    6.0.6002.23xxx Windows Vista SP2 or Windows Server 2008 SP2 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.

Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows Vista and Windows Server 2008

File name File version File size Date Time Platform
Seclogon.dll 6.0.6002.19598 19,968 06-Feb-2016 02:12 x86
Seclogon.dll 6.0.6002.23910 19,968 06-Feb-2016 01:49 x86

For all supported x64-based versions of Windows Vista and Windows Server 2008

File name File version File size Date Time Platform
Seclogon.dll 6.0.6002.19598 28,672 06-Feb-2016 02:01 x64
Seclogon.dll 6.0.6002.23910 29,184 06-Feb-2016 01:42 x64

For all supported IA-64-based versions of Windows Server 2008

File name File version File size Date Time Platform
Seclogon.dll 6.0.6002.19598 57,344 06-Feb-2016 01:41 IA-64
Seclogon.dll 6.0.6002.23910 57,856 06-Feb-2016 01:23 IA-64

Windows 7 and Windows Server 2008 R2 file information

  • 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
    6.1.7601.18xxx Windows 7 or Windows Server 2008 R2 SP1 GDR
    6.1.7601.23xxx 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.

Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows 7

File name File version File size Date Time Platform
Seclogon.dll 6.1.7601.19148 21,504 09-Feb-2016 09:50 x86
Seclogon.dll 6.1.7601.23348 21,504 09-Feb-2016 19:44 x86

For all supported x64-based versions of Windows 7 and Windows Server 2008 R2

File name File version File size Date Time Platform
Seclogon.dll 6.1.7601.19148 30,720 09-Feb-2016 09:55 x64
Seclogon.dll 6.1.7601.23348 30,720 09-Feb-2016 19:06 x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name File version File size Date Time Platform
Seclogon.dll 6.1.7601.19148 65,024 09-Feb-2016 16:41 IA-64
Seclogon.dll 6.1.7601.23348 65,024 09-Feb-2016 18:06 IA-64

Windows Server 2012 file information

  • 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 Server 2012 RTM GDR
    6.2.920 0.21xxx 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.

Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x64-based versions of Windows Server 2012

File name File version File size Date Time Platform
Seclogon.dll 6.2.9200.17649 30,720 10-Feb-2016 14:28 x64
Seclogon.dll 6.2.9200.21768 30,720 10-Feb-2016 14:26 x64

Windows 8.1 and Windows Server 2012 R2 file information

  • 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
    6.3.920 0.17xxx 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.

Note the MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows 8.1

File name File version File size Date Time Platform
Seclogon.dll 6.3.9600.18230 24,064 06-Feb-2016 17:20 x86

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name File version File size Date Time Platform
Seclogon.dll 6.3.9600.18230 31,744 06-Feb-2016 18:08 x64

      

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