MS15-093: Security update for Internet Explorer: August 18, 2015

Summary
This security update resolves a vulnerability in Internet Explorer that could allow remote code execution if a user views a specially crafted webpage by using Internet Explorer. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less affected than those who operate with administrative user rights.

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-093.
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, seeGet security updates automatically.

Note For Windows RT and 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 MS15-093 that corresponds to the version of Windows that you are running.
More information

Additional information about this security update

The following articles contain additional information about this security update as it relates to individual product versions. The articles may also contain known issue information.
  • 3081444 Cumulative update for Windows 10: August 18, 2015
  • 3087985 Description of the security update for Internet Explorer: August 18, 2015

Security update deployment information

Windows Vista (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file namesFor Internet Explorer 7 in all supported 32-bit editions of Windows Vista:
Windows6.0-KB3087985-x86.msu
For Internet Explorer 7 in all supported x64-based editions of Windows Vista:
Windows6.0-KB3087985-x64.msu
For Internet Explorer 8 in all supported 32-bit editions of Windows Vista:
IE8-Windows6.0-KB3087985-x86.msu
For Internet Explorer 8 in all supported x64-based editions of Windows Vista:
IE8-Windows6.0-KB3087985-x64.msu
For Internet Explorer 9 for all supported 32-bit editions of Windows Vista:
IE9-Windows6.0-KB3087985-x86.msu
For Internet Explorer 9 for all supported x64-based editions of Windows Vista:
IE9-Windows6.0-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationWUSA.exe does not support uninstalling updates. To uninstall an update installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file namesFor Internet Explorer 7 in all supported 32-bit editions of Windows Server 2008:
Windows6.0-KB3087985-x86.msu
For Internet Explorer 7 in all supported x64-based editions of Windows Server 2008:
Windows6.0-KB3087985-x64.msu
For Internet Explorer 7 in all supported Itanium-based editions of Windows Server 2008:
Windows6.0-KB3087985-ia64.msu
For Internet Explorer 8 in all supported 32-bit editions of Windows Server 2008:
IE8-Windows6.0-KB3087985-x64.msu
For Internet Explorer 8 in all supported x64-based editions of Windows Server 2008:
IE8-Windows6.0-KB3087985-x64.msu
For Internet Explorer 9 for all supported 32-bit editions of Windows Server 2008:
IE9-Windows6.0-KB3087985-x86.msu
For Internet Explorer 9 in all supported x64-based editions of Windows Server 2008:
IE9-Windows6.0-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationWUSA.exe does not support uninstalling updates. To uninstall an update installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates and select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows 7 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor Internet Explorer 8 in all supported 32-bit editions of Windows 7:
Windows6.1-KB3087985-x86.msu
For Internet Explorer 8 in all supported x64-based editions of Windows 7:
Windows6.1-KB3087985-x64.msu
For Internet Explorer 9 for all supported 32-bit editions of Windows 7:
IE9-Windows6.1-KB3087985-x86.msu
For Internet Explorer 9 for all supported x64-based editions of Windows 7:
IE9-Windows6.1-KB3087985-x64.msu
For Internet Explorer 10 for Windows 7 for 32-bit Systems Service Pack 1:
IE10-Windows6.1-KB3087985-x86.msu
For Internet Explorer 10 for Windows 7 for x64-based Systems Service Pack 1:
IE10-Windows6.1-KB3087985-x64.msu
For Internet Explorer 11 for Windows 7 for 32-bit Systems Service Pack 1:
IE11-Windows6.1-KB3087985-x86.msu
For Internet Explorer 11 for Windows 7 for x64-based Systems Service Pack 1:
IE11-Windows6.1-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationTo uninstall an update 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.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 R2 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor Internet Explorer 8 in all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3087985-x64.msu
For Internet Explorer 8 in all supported Itanium-based editions of Windows Server 2008 R2:
Windows6.1-KB3087985-ia64.msu
For Internet Explorer 9 for all supported x64-based editions of Windows Server 2008 R2:
IE9-Windows6.1-KB3087985-x64.msu
For Internet Explorer 10 for Windows Server 2008 R2 for x64-based Systems Service Pack 1:
IE10-Windows6.1-KB3087985-x64.msu
For Internet Explorer 11 for Windows Server 2008 R2 for x64-based Systems Service Pack 1:
IE11-Windows6.1-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationTo uninstall an update 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.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows 8 and Windows 8.1 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor Internet Explorer 10 in all supported 32-bit editions of Windows 8:
Windows8-RT-KB3087985-x86.msu
For Internet Explorer 10 in all supported x64-based editions of Windows 8:
Windows8-RT-KB3087985-x64.msu
For Internet Explorer 11 in all supported 32-bit editions of Windows 8.1:
Windows8.1-KB3087985-x86.msu
For Internet Explorer 11 in all supported x64-based editions of Windows 8.1:
Windows8.1-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, click Installed updates under See also, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2012 and Windows Server 2012 R2 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor Internet Explorer 10 in all supported editions of Windows Server 2012:
Windows8-RT-KB3087985-x64.msu
For Internet Explorer 11 in all supported editions of Windows Server 2012 R2:
Windows8.1-KB3087985-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, click Installed updates under See also, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3087985
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows RT and Windows RT 8.1 (all editions)

Reference Table

The following table contains the security update information for this software.
DeploymentThis update is available via Windows Update.
Restart RequirementYou may have to restart your computer after you apply this update.
Removal InformationClick Control Panel, click System and Security, click Windows Update, click Installed updates under See also, and then select from the list of updates.
File informationNot applicable

Windows 10 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file nameFor Internet Explorer 11 in all supported 32-bit editions of Windows 10:
KB3081444-Win10-RTM-X86-TSL.msu

For Internet Explorer 11 in all supported x64-based editions of Windows 10:
KB3081444-Win10-RTM-X64-TSL.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou may have to restart your computer after you apply this update.
Removal informationTo uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, click Installed updates under See also, and then select from the list of updates.
File informationSee Microsoft Knowledge Base Article 3081444
Registry key verificationNote A registry key does not exist to validate the presence of this update.
3081444

File hash information

File nameSHA1 hashSHA256 hash
Windows8.1-KB3087985-arm.msuDE4F193E3C5475368D9D9E49103E8C189443495406A41C365243103643F33EB4BC134B4F753AB87B1C971F9811C7B680CB6C3AFF
Windows8-RT-KB3087985-x86.msuFCF7D27F50112C7B8614BC287F663C3801E4ED1C37B546CF8DB813663D7DF12486A4146E5B3C2BD2F02ECE89534B77BC6ACC406D
Windows8.1-KB3087985-x86.msu69BA4757AAF4DE16005CB17049AE15A8A25383541878D85FFBB7AC77AE8B36B1C58858E9645D24E204BE0BEFB81A4FF81A78F725
Windows8-RT-KB3087985-arm.msu9518781941BBF2466E4DC5F1186494EB2E702B8DC9A66926F3F9DE656C18AD8DC7115966ABD950A80CA71A0DEBCB850D6F8D07D3
Windows8-RT-KB3087985-x64.msuB5C1407E0CB3DC29154DF56A7EB69F18C64674CA51B552183DE142A962DCD71EF6B736E1E290259C372683D9D1D7185B4D6FDA5C
Windows8.1-KB3087985-x64.msu2560D8DEE5CEB0D67C785BA1C5CFFA4821358615F0480820C29C78CC429E9703029F4A4AFA8D89AB3C2C7B281B4360D0105C5FAB
IE10-Windows6.1-KB3087985-x86.msu1BA1C45833E2DF83D4E8BB348816163582CBE945FF8709023599257B2F71DA1200FA86B1991AD0F123DC7270051E36B9D27DBAA3
IE10-Windows6.1-KB3087985-x64.msu404AB9B2614D33776EB864E690BA2F030E16F82DF54EA5EFC93EEA28E2FEE03C95268CE1051A947B87284D73FC69B54033A0FB62
IE11-Windows6.1-KB3087985-x86.msu69A3F8B260328D0D015DE470BBB6AC6D9B59949290C477D2DA59ECF7845951D89823F2DE9867F6A7DB7119410A6C341269D76AE9
IE11-Windows6.1-KB3087985-x64.msu418E1BF2599727883596F79BB5ECEE8BF96A88B022F2903BB0EB1A961C3E629F55A6E073C47BA4A633E4BAA2E1D6E21324891422
Windows6.0-KB3087985-x86.msu159F6E4363AB9D15835B763890B9662268565AD689059C499289022560ED7BD4C8EB2B95A5E4299E35D18E3A70533CB3922DFFEB
Windows6.0-KB3087985-ia64.msu360BB20BB540D9D508EEB95B89B8A57C32534F29EFE865E819D1FD56FD1B3BFC4008387BBD48075CB460F8082B10C6C12C444530
Windows6.0-KB3087985-x64.msuA7087A093B25A7B447134D4D56FE0EC3C9604238DDD0C8C18936F76B07646C7953175A81CFF7D9991729D430139A0C3E54FA4DA8
Windows6.1-KB3087985-x86.msu250E7A092906F0B054C31A56ED080AF58A6AD466308646A7C2511C78CE6574009A9637A93ACAE74B491E67D0521033DA0033D0B1
Windows6.1-KB3087985-x64.msuFC11F2FC234C60CE30EFD7FD27BC205259921D9CCDE7BC677778DA3D6D5CC487A5EB2B26772F07E82F485BA4DE942E87BB86611B
IE8-Windows6.0-KB3087985-x86.msuB396D7FFCB74024E4D402D1AA5D9CFA28A04DDE51B2B5183123C1A46277CA9959B72BDF7F55072558E8D34A7CE7DA2EAFFB64FEC
IE8-Windows6.0-KB3087985-x64.msu7455ABF8E18E4A4FB0374B15CEFF8D3662DADC90EE966FC0D225AA9CB5BE85137D60974A02989005CC3DF127FB8CDD13236816B7
Windows6.1-KB3087985-ia64.msuCD01E5B7F2E1ADE2F700B558FE6D92A2D061E95C07A350AEA48E3E1B42D92EA4E3ED29C64B58A09BBD17AB0505C72F54E510556E
IE9-Windows6.1-KB3087985-x86.msuCCB6ADAB809E85435FE49B0E8D63B2159F99D7AD22C2D51051943EE9ADA48474580EF2F545C011A0C3095850C47C559D40EB86B5
IE9-Windows6.1-KB3087985-x64.msu96DC322CD7767BDF26CDF8E6F09C65D100BF9FB69DF4FA2DF97B1104CAC23B783BB09E7B4A76AD960C86C22093F534C5BEC048C8
IE9-Windows6.0-KB3087985-x86.msu9F62EAA044552004C5F3407CC10DF06A8FE664BF7C0532F63DD4CB91F4C385692A45F70550F38F4A31DE72D63491774B411BC68B
IE9-Windows6.0-KB3087985-x64.msu9FF0B50D8ADFA9CABAA7224A7E100ECE4A310F4AE3C26726AEBDAF2B0FC1B4DDB68363DA3EF91F4A1F555184A3433A34D252B57B

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
malicious attacker exploit
Properties

Article ID: 3088903 - Last Review: 08/28/2015 16:11:00 - Revision: 3.0

Internet Explorer 11, Internet Explorer 10, Windows Internet Explorer 9, Windows Internet Explorer 8, Windows Internet Explorer 7, Microsoft Internet Explorer 6.0, Windows 10, 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 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 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

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