Cumulative security update for Internet Explorer: April 10, 2018

Summary

This security update resolves several reported vulnerabilities in Internet Explorer. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures. Additionally, see the following articles for more information about this cumulative update:

• Windows 7 SP1 and Windows Server 2008 R2 SP1 update history

• Windows Server 2012 update history

• Windows 8.1 and Windows Server 2012 R2 update history

• Windows 10 and Windows Server 2016 update history
  Important

• The fixes that are included in this Security Update for Internet Explorer 4092946 are also included in the April 2018 Security Monthly Quality Rollup. Installing either the Security Update for Internet Explorer or the Security Monthly Quality Rollup installs the fixes that are in this update.

• If you use update management processes other than Windows Update and you automatically approve all security updates classifications for deployment, this Security Update for Internet Explorer (KB 4092946), the April 2018 Security Only Quality Update and the April 2018 Security Monthly Quality Rollup are deployed. We recommend that you review your update deployment rules to make sure that the desired updates are deployed.

• This Security Update for Internet Explorer is not applicable for installation on a computer where the Security Monthly Quality Rollup or the Preview of Monthly Quality Rollup from April 2018 (or a later month) is already installed. This is because those updates contain all the fixes that are in this Security Update for Internet Explorer.

• 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.

Deployment information

For deployment details for this security update, see the following article in the Microsoft Knowledge Base:Security update deployment information: April 10, 2018

How to get and install the update

Method 1: Microsoft Update

This update is available through Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically.For more information about how to get security updates automatically, see Windows Update: FAQ.Note For Windows RT and Windows RT 8.1, this update is available through Microsoft Update only.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

More Information

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How to get help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File informationFor a list of the files that are provided in this cumulative update, download the file information for cumulative update KB 4092946.

File hash information

File name	SHA1 hash	SHA256 hash
Windows8.1-KB4092946-x86.msu	6FE42EBB6FE90A167773FFD67BE977E7DF064BEE	88BB8A0895AABDEA72AF576FD2E6970648B110D9A650140D28036DF339C795A7
Windows8.1-KB4092946-x64.msu	D8E6DD8538FA274494042B95CFA20EC14BDE51E2	5844A4BBD7DC8163DB74A92AB2FFC89FA46182FFC7D2055729DB18348DBC8F89
Windows8-RT-KB4092946-x64.msu	C49D6A9126D9521AF52B989F6BCE9270A820E257	1BEEA7A36F578DB1A95FED82C69DF7872894FBA6106248404174892C13BEEF88
IE11-Windows6.1-KB4092946-X86.msu	6E1424E3E554884866F0A47055437FF73B4E1400	5FB6CE78F3B9211480BE2EC838E1CFF7064115214B8B74E3A473B65726336407
IE11-Windows6.1-KB4092946-X64.msu	E5A5B62500A3F24C335FC2D051E2EDF479A952D0	9AAC3A1EF89DCC5B99B60834E387B7648195C0876300CC7F87F5B9C45A7CC025
IE9-Windows6.0-KB4092946-X64.msu	D0652864C29BB9C458C868B2914312F20446E18E	941B82BEF117496C36B7A0774984C1C407010D0F73FB33527C251CA9A697C5CB
IE9-Windows6.0-KB4092946-X86.msu	C60F6382B546DF6C80520E827E80182B8781AEFB	708B8403DBBE4F22B9130B05E9C3F62270A84F85E09E027C5801ADD544C87A0E