MS16-033: Description of the security update for Windows USB mass storage class driver: 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 an attacker with physical access inserts a specially crafted USB device into the system.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-033.

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 MS16-033 that corresponds to the version of Windows that you are running.

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

File Information

File hash information
File name SHA1 hash SHA256 hash
Windows6.1-KB3139398-ia64.msu 111DF811477B2ABD5035B91F95FD88700197D54E 15342D175D50115AD77609176595222DF254F25A24FF46805C453E2576DF323C
Windows6.1-KB3139398-x64.msu 4A5707DFAD03116B078BC99DE404E89A9D93C801 2F93049621C79E313E22CF44E674FB27A0456492FA044547E96E8A2B0B669FD4
Windows6.1-KB3139398-x86.msu 3413EF7A8FB60C9F7561838AF5A505DD5FD9FCF1 7F35421E89D28A681A5084C745946B84A12F18E77F724855C0349570897CEB4D
Windows6.0-KB3139398-x86.msu AE7DD783EBA4BE7029DBEEB60958B2B394A3CCB8 A6A8B9B004EE240D69245B55230E532BA25FF4D5317B4FE482072445256C986F
Windows6.0-KB3139398-ia64.msu 5CC24A4D9F2840A90FFF64A5B833195EF797009D E6C11D03E5336D03E8857730DCEB6C296EDEFBF51B7302F64D09CE7573A90672
Windows6.0-KB3139398-x64.msu 0BEE27EE3B8F130CE31D292BA706461236DBEC04 2087476A4D5BB67C0AF4FE5F7C213DBCBA8602AA6D4506A4B0AD9622E3EB88DE
Windows8.1-KB3139398-x64.msu DA8A470A7629685A4C67EEC13E1509C338ACBD24 3E3A4823E410A875154AE60018AAEF7E3C603D69EFAA01A23715442441777888
Windows8.1-KB3139398-x86.msu 8B0AB20EA83FA8F18C431664A0E497F853DC406B 5D0A2225D3C2B1634DD50830EB808E4A6B3572EA57D4094DA72B955C82B40525
Windows8-RT-KB3139398-x64.msu 1A6536F3E1DCA09DDD4AD146A863818BE148E65B D6EC25F5F097C2F974429276F55863AC7D6B3B8B51561398A1E8F0E8DC1F7150

      

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 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 1.18xxx Windows 7 or Windows Server 2008 R2 SP1 GDR
    6.1.760 1.23 xxx 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.

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

For all supported ia64-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.1.7601.19144 239,616 03-Feb-2016 17:30 IA-64
Usbstor.sys 6.1.7601.23344 239,616 03-Feb-2016 17:27 IA-64

For all supported x64-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.1.7601.19144 95,744 03-Feb-2016 18:07 x64
Usbstor.sys 6.1.7601.23344 95,744 03-Feb-2016 18:20 x64
Usbstor.sys 6.1.7601.19144 91,648 03-Feb-2016 18:07 x64
Usbstor.sys 6.1.7601.23344 91,648 03-Feb-2016 18:19 x64

For all supported x86-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.1.7601.19144 80,384 03-Feb-2016 18:00 x86
Usbstor.sys 6.1.7601.23344 80,384 03-Feb-2016 18:01 x86
Usbstor.sys 6.1.7601.19144 76,288 03-Feb-2016 17:59 x86
Usbstor.sys 6.1.7601.23344 76,288 03-Feb-2016 18:00 x86

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 2.19xxx Windows Vista or Windows Server 2008 SP2 GDR
    6.0.600 2.23xxx Windows Vista or Windows Server 2008 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.

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

For all supported x86-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.0.6002.19595 71,680 02-Feb-2016 15:30 x86
Usbstor.sys 6.0.6002.23906 71,680 02-Feb-2016 15:24 x86

For all supported ia64-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.0.6002.19595 226,304 02-Feb-2016 15:35 IA-64
Usbstor.sys 6.0.6002.23906 226,304 02-Feb-2016 15:32 IA-64

For all supported x64-based versions

File name File version File size Date Time Platform
Usbstor.sys 6.0.6002.19595 86,016 02-Feb-2016 15:44 x64
Usbstor.sys 6.0.6002.23906 86,016 02-Feb-2016 15:56 x64

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:

    Version Product Milestone Service branch
    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 x64-based versions

File name File version File size Date Time Platform
Tsusbhub.sys 6.3.9600.18224 111,104 31-Jan-2016 18:08 x64
Usbstor.sys 6.3.9600.18224 148,832 31-Jan-2016 19:16 x64

For all supported x86-based versions

File name File version File size Date Time Platform
Tsusbhub.sys 6.3.9600.18224 90,624 31-Jan-2016 17:32 x86
Usbstor.sys 6.3.9600.18224 120,672 31-Jan-2016 18:37 x86

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 0.17xxx 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.

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

For all supported x64-based versions

File name File version File size Date Time Platform
Tsusbhub.sys 6.2.9200.17642 115,712 28-Jan-2016 19:54 x64
Tsusbhub.sys 6.2.9200.21761 115,712 28-Jan-2016 19:33 x64
Usbstor.sys 6.2.9200.17642 119,128 30-Jan-2016 20:49 x64
Usbstor.sys 6.2.9200.21761 119,128 30-Jan-2016 17:27 x64