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MS16-094: Description of the security update for Secure Boot: July 12, 2016

Summary

This security update resolves a vulnerability in Microsoft Windows that could allow Secure Boot security features to be bypassed if an attacker installs an affected policy on a target device. An attacker must have either administrative privileges or physical access to install a policy and bypass Secure Boot.


To learn more about the vulnerability, see Microsoft Security Bulletin MS16-094.

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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.

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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 MS16-094 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 namePackage hash SHA1Package hash SHA2
Windows8.1-KB3172727-x86.msu9B3A9404F262B22ADA0434E5432CDDDCCA344E91BFC8B9D4B8298D691931E4EA2C876D0B394DFDE0A781CC4EAE2392A44318C747
Windows8.1-KB3172727-x64.msu881DFB1EE768A4DFCAAA6DFE67A9A59072577349BC424D3016EB7DE18D9F96717BBCB91F260E64938AAB5D36893CEC15268C0031
Windows8-RT-KB3172727-x64.msuB2BBDE1BCBCAE514A5149618B8AA401A3022FBB36AA77FE04F7EC823AB0EB16079E06936FFB713FCB0C2205F4C5287BDEC1BC1AD
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 0.16xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
    6.3.960 0.17xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
    6.3.960 0.18xxxWindows 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
Boot.stlNot applicable4,66924-Jun-201613:35Not applicable
Ci.dll6.3.9600.17550485,54408-Dec-201419:46x86
Driver.stlNot applicable4,53824-Jun-201613:35Not applicable
For all supported x64-based versions
File nameFile versionFile sizeDateTimePlatform
Boot.stlNot applicable4,66924-Jun-201613:46Not applicable
Ci.dll6.3.9600.17550531,61608-Dec-201419:42x64
Driver.stlNot applicable4,65224-Jun-201613:46Not applicable

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 8, Windows RT, or Windows Server 2012RTMGDR
    6.2.920 0.21xxxWindows 8, Windows RT, or Windows 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 sizeDateTimePlatformSP requirementService branch
Winload.efi6.2.9200.216381,405,40822-Sep-201521:46Not applicableNoneNot applicable
Winload.exe6.2.9200.216381,273,18422-Sep-201521:46x64NoneNot applicable
Winresume.efi6.2.9200.207261,217,35225-May-201300:17Not applicableNoneNot applicable
Winresume.exe6.2.9200.207261,093,90425-May-201300:17x64NoneNot applicable
Boot.stlNot applicable4,62924-Jun-201613:10Not applicableNoneNot applicable
Ci.dll6.2.9200.20679503,08004-Apr-201322:04x64NoneNot applicable
Driver.stlNot applicable4,36724-Jun-201613:10Not applicableNoneNot applicable
Ksecdd.sys6.2.9200.21473100,18402-May-201506:23x64NoneNot applicable
Lsass.exe6.2.9200.2052135,84020-Sep-201206:33x64NoneNot applicable
Sspicli.dll6.2.9200.21703164,35217-Nov-201508:00x64NoneNot applicable
Sspisrv.dll6.2.9200.2052127,64820-Sep-201206:32x64NoneNot applicable
Cng.sys6.2.9200.21637566,07222-Sep-201513:43x64NoneNot applicable
Ksecpkg.sys6.2.9200.21858171,36010-May-201619:18x64NoneNot applicable
Lsasrv.dll6.2.9200.218301,280,00009-Apr-201616:01x64NoneNot applicable
Adtschema.dll6.2.9200.21289719,36010-Nov-201404:43x64NoneNot applicable
Msaudite.dll6.2.9200.21269146,94411-Oct-201405:38x64NoneNot applicable
Msobjs.dll6.2.9200.1638461,95226-Jul-201202:36x64NoneNot applicable
Ocspsvcctrs.iniNot applicable2,96026-Jul-201205:07Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,13426-Jul-201208:00Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,91826-Jul-201204:43Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,21026-Jul-201207:59Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,09826-Jul-201208:00Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,02826-Jul-201207:59Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,14026-Jul-201205:21Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,64226-Jul-201208:11Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,57626-Jul-201205:20Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,02626-Jul-201207:36Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,02826-Jul-201207:48Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,18826-Jul-201205:30Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,12626-Jul-201205:08Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,06426-Jul-201207:49Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable3,09226-Jul-201207:52Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,82826-Jul-201205:12Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,46426-Jul-201208:05Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,48026-Jul-201205:13Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,46026-Jul-201208:11Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvc.exe6.2.9200.21345272,38415-Jan-201505:27x64SPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.hNot applicable1,56902-Jun-201214:34Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ocspsvcctrs.iniNot applicable2,91802-Jun-201214:34Not applicableSPSAMD64_MICROSOFT-WINDOWS-OCSP
Ntoskrnl.exe6.2.9200.219146,937,95201-Jul-201616:27x64NoneNot applicable
Credssp.dll6.2.9200.2170320,48017-Nov-201507:59x64SP_AMD64_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Tspkg.dll6.2.9200.2170394,72017-Nov-201508:01x64SP_AMD64_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Tspkg.mofNot applicable96402-Jun-201214:33Not applicableSP_AMD64_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Wdigest.dll6.2.9200.21858208,89610-May-201617:07x64NoneNot applicable
Kerberos.dll6.2.9200.21830829,95209-Apr-201616:01x64NoneNot applicable
Msv1_0.dll6.2.9200.21830317,95209-Apr-201616:01x64NoneNot applicable
Shcore.dll6.2.9200.21703590,84817-Nov-201508:00x64NoneNot applicable
Mrxsmb10.sys6.2.9200.21529281,60025-Jun-201518:52x64NoneNot applicable
Mrxsmb20.sys6.2.9200.21548205,31211-Jul-201517:07x64NoneNot applicable
Mrxsmb.sys6.2.9200.21342396,80006-Jan-201523:17x64NoneNot applicable
Lsm.dll6.2.9200.21703439,80817-Nov-201508:00x64NoneNot applicable
Workerdd.dll6.2.9200.2101214,84812-Apr-201406:58x64NoneNot applicable
Usercpl.dll6.2.9200.217031,043,96817-Nov-201508:01x64NoneNot applicable
Usercpl.ptxmlNot applicable78911-Oct-201200:40Not applicableNoneNot applicable
Winlogon.exe6.2.9200.21703578,04817-Nov-201508:01x64NoneNot applicable
Sspicli.dll6.2.9200.2098499,84010-Mar-201401:34x86NoneNot applicable
Wdigest.dll6.2.9200.21858176,64010-May-201617:55x86NoneNot applicable
Kerberos.dll6.2.9200.21830666,11209-Apr-201616:48x86NoneNot applicable
Msv1_0.dll6.2.9200.21830274,94409-Apr-201616:48x86NoneNot applicable
Adtschema.dll6.2.9200.21289719,36010-Nov-201403:40x86NoneNot applicable
Msaudite.dll6.2.9200.21269146,94411-Oct-201404:35x86NoneNot applicable
Msobjs.dll6.2.9200.1638461,95226-Jul-201202:47x86NoneNot applicable
Credssp.dll6.2.9200.2170317,40817-Nov-201508:08x86SP_X86_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Tspkg.dll6.2.9200.2170376,80017-Nov-201508:09x86SP_X86_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Tspkg.mofNot applicable96402-Jun-201214:33Not applicableSP_X86_MICROSOFT-WINDOWS-SECURITY-CREDSSP
Shcore.dll6.2.9200.21703460,80017-Nov-201508:09x86NoneNot applicable
Usercpl.dll6.2.9200.21703961,53617-Nov-201508:09x86NoneNot applicable
Usercpl.ptxmlNot applicable78911-Oct-201200:42Not applicableNoneNot applicable

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

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Article Info
Article ID : 3172727
Revision : 1
Created on : 1/7/2017
Published on : 7/12/2016
Exists online : False
Views : 224