MS15-020: Description of the security update for Windows shell: March 10, 2015

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 the following table that corresponds to the version of Windows you are running.

Windows version	Download link
Windows Server 2003 SP2	Download 32-bit (KB3039066) Download 64-bit (KB3039066) Download Itanium-based (KB3039066)
Windows Vista SP2	Download 32-bit (KB3039066) Download 64-bit (KB3039066)
Windows Server 2008 SP2	Download 32-bit (KB3039066) Download 64-bit (KB3039066) Download Itanium-based (KB3039066)
Windows 7 SP1	Download 32-bit (KB3039066) Download 64-bit (KB3039066)
Windows Server 2008 R2 SP1	Download 64-bit (KB3039066) Download Itanium-based (KB3039066)
Windows 8	Download 32-bit (KB3039066) Download 64-bit (KB3039066)
Windows Server 2012	Download 64-bit (KB3039066)
Windows 8.1	Download 32-bit (KB3039066) Download 64-bit (KB3039066)
Windows Server 2012 R2	Download 64-bit (KB3039066)

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 Server 2003 file information

• The files that apply to a specific milestone (SPn) and service branch (QFE, GDR) are noted in the "SP requirement" and "Service branch" columns.
• GDR service branches contain only those fixes that are widely released to address widespread, critical issues. QFE service branches contain hotfixes in addition to widely released fixes.
• In addition to the files that are listed in these tables, this software update also installs an associated security catalog file (KBnumber.cat) that is signed with a Microsoft digital signature.

For all supported x64-based versions of Windows Server 2003

For all supported x86-based versions of Windows Server 2003

For all supported IA-64-based versions of Windows Server 2003

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
  6.0.6002.18xxx	Windows Vista SP2 and Windows Server 2008 SP2	SP2	GDR
  6.0.6002.23xxx	Windows Vista SP2 and 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

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

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

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 and Windows Server 2008 R2	SP1	GDR
  6.1.7601.22xxx	Windows 7 and 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

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

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

Windows 8 and 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 0.16 xxx	Windows 8 and Windows Server 2012	RTM	GDR
  6.2.920 0.20 xxx	Windows 8 and 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 x86-based versions of Windows 8

For all supported x64-based versions of Windows 8 and Windows Server 2012

Windows 8.1 and Windows Server 2012 R2 file information

For all supported x86-based versions of Windows 8.1

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

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