Applies ToWindows 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 Standard Windows Server 2012 Essentials Windows Server 2012 Foundation Windows 8 Enterprise Windows 8 Pro Windows 8 Windows RT 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

Summary

This security update resolves a privately reported vulnerability in Windows. This vulnerability could allow users who have limited rights on an affected system to use Task Scheduler to execute files that they do not have permissions to run. To learn more about the vulnerability, see Microsoft Security Bulletin MS15-028.

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 and Windows RT 8.1, this update is available through Windows Update only.

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 7 SP1

Download Download 32-bit (KB3030377) Download Download 64-bit (KB3030377)

Windows Server 2008 R2 SP1

Download Download 64-bit (KB3030377) Download Download Itanium-based (KB3030377)

Windows 8

Download Download 32-bit (KB3030377) Download Download 64-bit (KB3030377)

Windows Server 2012

Download Download 64-bit (KB3030377)

Windows 8.1

Download Download 32-bit (KB3030377) Download Download 64-bit (KB3030377)

Windows Server 2012 R2

Download Download 64-bit (KB3030377)

More Information

File name

Windows version

File name

Windows 7

For 32-bit, Windows6.1-KB3030377-x86.msuFor 64-bit, Windows6.1-KB3030377-x64.msu

Windows Server 2008 R2

For 64-bit, Windows6.1-KB3030377-x64.msuFor Itanium-based, Windows6.1-KB3030377-ia64.msu

Windows 8

For 32-bit, Windows8-RT-KB3030377-x86.msuFor 64-bit, Windows8-RT-KB3030377-x64.msu

Windows Server 2012

For 64-bit, Windows8-RT-KB3030377-x64.msu

Windows 8.1

For 32-bit, Windows8.1-KB3030377-x86.msuFor 64-bit, Windows8.1-KB3030377-x64.msu

Windows Server 2012 R2

For 64-bit, Windows8.1-KB3030377-x64.msu

Note For Windows RT and Windows RT 8.1, this update is available from Windows Update only.

Installation SwitchesSee Microsoft Knowledge Base Article 934307.

Restart requirementsYou must restart your system after you apply this security update.

Removal information

Windows version

How to remove the update

Windows 7 and Windows Server 2008 R2

To uninstall an update that was installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, and then under Windows Update, click View installed updates and select from the list of updates.

Windows 8, Windows Server 2012, Windows 8.1, and Windows Server 2012 R2

To uninstall an update that was installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates.

Windows RT and Windows RT 8.1

Click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates.

Registry key verificationA registry key does not exist to validate the presence of this update.

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 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

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.1.7601.18741

171,520

03-Feb-2015

03:12

x86

Ubpm.dll

6.1.7601.22948

171,520

03-Feb-2015

03:32

x86

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

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.1.7601.18741

215,552

03-Feb-2015

03:31

x64

Ubpm.dll

6.1.7601.22948

215,040

03-Feb-2015

03:51

x64

Ubpm.dll

6.1.7601.18741

171,520

03-Feb-2015

03:12

x86

Ubpm.dll

6.1.7601.22948

171,520

03-Feb-2015

03:32

x86

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

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.1.7601.18741

488,960

03-Feb-2015

02:52

IA-64

Ubpm.dll

6.1.7601.22948

488,960

03-Feb-2015

02:43

IA-64

Ubpm.dll

6.1.7601.18741

171,520

03-Feb-2015

03:12

x86

Ubpm.dll

6.1.7601.22948

171,520

03-Feb-2015

03:32

x86

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

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.2.9200.17247

243,712

24-Jan-2015

05:00

x86

Ubpm.dll

6.2.9200.21364

248,320

24-Jan-2015

04:46

x86

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

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.2.9200.17247

325,632

24-Jan-2015

06:42

x64

Ubpm.dll

6.2.9200.21364

317,952

24-Jan-2015

05:40

x64

Ubpm.dll

6.2.9200.17247

243,712

24-Jan-2015

05:00

x86

Ubpm.dll

6.2.9200.21364

248,320

24-Jan-2015

04:46

x86

Windows 8.1 and Windows Server 2012 R2 file information

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Ubpm.dll

6.3.9600.17671

162,304

30-Jan-2015

23:20

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

Ubpm.dll

6.3.9600.17671

203,264

30-Jan-2015

23:20

x64

File name

SHA1 hash

SHA256 hash

Windows6.1-KB3030377-ia64.msu

022DE7B41A2641039A4FCB52F629324E21024690

BDBFFA9F7FE09136DB35C3D0E64BA0825CA7063863038CE3FEAE8C0F22B09034

Windows6.1-KB3030377-ia64.msu

21E525F421C9B21DF65426F0D666AC2BE59F02AF

7612DFE7199601998C9BFC734F2361EA0B5D66AB62D287A9CB805C92EDB15C96

Windows6.1-KB3030377-x64.msu

84403E576DE8606703954E00ABCC573F24663DEF

05CCDB1223B74C5E559A102681E0BD33677302367D7A119C9A63B8A8E70FED64

Windows6.1-KB3030377-x64.msu

DC9AA7CF326131F9C4BF25FA2790E68F0DF299AD

86881AEEA78B33B8E1635998868C4E1FC48E1AF08D3707F01C347F56C5492FC1

Windows6.1-KB3030377-x86.msu

84BA5F6F713FFE1004F8D2D75677AD98331C3890

A810150967AE32C9807AFF76EB3C49B3E55772D7F6E8C6ECE89FB7CD25AA3982

Windows6.1-KB3030377-x86.msu

8E7AEADBA26FD06F5C2C98D8481D96278333094F

D8A37A580E66D05422D1C8F1E2D4874FD96358BC856AA5CACA92030795BC2650

Windows8.1-KB3030377-x64.msu

4DCBE286AC34E19BE1715B698C5613CF16E51433

B6FC9F8729F806D7DF1A5EC43609AAAC1CFDEFCE8FEE5ED3B289636F6499428E

Windows8.1-KB3030377-x64.msu

E605A90272CEE1A34F52B4B680DEC048D66DB5A5

BE9859F26076C86CB91F60738AF84B2CEAB82EA41CCEC36A48FA7D44CC3B0100

Windows8.1-KB3030377-x86.msu

EA03F7A1DD9F1DD350575D5EFA5D77AF6C4251E0

A35739340C1FB274A69BCE2EA5951027DC5E0A6FC79582EAF0862A2465F38749

Windows8.1-KB3030377-x86.msu

F4473F2C6085236CA84C98AA6B49F45FB90F4E25

93501A2579A251C43310F5E1EFA075D342839DC74EDEDC0131A44BFA03570395

Windows8-RT-KB3030377-x64.msu

59F7E0DB4C95DB595F9E7FDDA478C3C2C84CED65

2F9888E4CF05EFB44B79FC95E4E3041CE1A24C81DF63946F1387664D175D44DC

Windows8-RT-KB3030377-x86.msu

2DFD090FCA3F543A0B4FC1A8673EDDC1C75885A1

8858036530935A66104F2E7DF18CA7CA264119A47193141DA2970666BC1EB20B

Help for installing updates: Support for Microsoft UpdateSecurity solutions for IT professionals: TechNet Security Troubleshooting and SupportHelp for protecting your Windows-based computer from viruses and malware: Virus Solution and Security CenterLocal support according to your country: International Support

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