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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:

Important 

  • The fixes that are included in this Security Update for Internet Explorer 4034733 are also included in the August 2017 Security Monthly Quality Rollup. Installing either the Security Update for Internet Explorer or the Security Monthly Quality Rollup installs the fixes that are resolved 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 4034733, the August 2017 Security Only Quality Update, and the August 2017 Security Monthly Quality Rollup are deployed. We recommend that you review your update deployment rules to make sure 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 August 2017 (or a later month) is already installed. This is because those updates contain all fixes 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: August 8, 2017

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

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 information

For a list of the files that are provided in this cumulative update, download the file information for cumulative update 4034733.

File hash information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB4034733-arm.msu

FB119C70D0BD942DC375FF9C8D7F6BA7930E58A8

0A025B4B0DA465BB0F5FEC902350233B9353423B5F8C42D9DD41A7A3AE68826C

Windows8.1-KB4034733-x86.msu

0AF0128A043A2D5C3F86C4BC5E9C91E269CFAE41

280F02EFC954DC12920BCB02FF4CBEE3E31DE877A9D2A1B65002B820BDFE4BF5

Windows8.1-KB4034733-x64.msu

6043721D506D88FE0F508FEBAD6F246275E91235

99CAE0AA10BD0DDEEC4AE1087FAAEC322B925A9D2275BF51B5233C4A9F73FE4B

Windows8-RT-KB4034733-x64.msu

76E54417039DA2F052B1FF805A2952419EB9FD4F

A7B00B803A8081314054D165D0548CCE8EB9085B6FA782CDAECBC78D2093ED01

IE11-Windows6.1-KB4034733-X64.msu

F2E92D2CE145E064731CE72CF2D10910D81A50FF

C8896097E9C0895145121ED45C7A473537183EA95556838CE748612B05096821

IE11-Windows6.1-KB4034733-X86.msu

DD0F7656E58ED0EBBB573DD1562070AD9BF97F0A

459FD6869B662BFEE5AB1A1758E6D9CD6AE1C006CD74B3030149BAE0197FC848

IE9-Windows6.0-KB4034733-X86.msu

19D3854645BC95A7C8387F5E6DAC51A13862A13E

A06187AFF48854DEB7F5EC134AFA1E1140BD9A44D40D25500A55737ABDDA4CBC

IE9-Windows6.0-KB4034733-X64.msu

8028AD9B38561BA9D2CDB8715CDE8969C63289BC

5071439E6918B4AE53955589AD6A2C0D46829A0285BA4C8EC1154E62E5AE8F1D

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