Applies ToWindows 10, version 1511, all editions Windows 10

Summary

This security update resolves multiple vulnerabilities in Microsoft Edge. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage in Microsoft Edge. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-052.

How to obtain and install the update

Windows Update

This update is available through Windows Update and 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 the "Turn on automatic updating in Control Panel" section of this Safety & Security Center article.

More information about this security update

The following articles contain more information about this security update:

  • 3156387 Cumulative Update for Windows 10: May 10, 2016

  • 3156421 Cumulative Update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: May 10, 2016

Windows 10 (all editions)

Reference TableThe following table contains the security update information for this software.

Security update file name

For all supported 32-bit editions of Windows 10:Windows10.0-KB3156387-x86.msu

For all supported x64-based editions of Windows 10:Windows10.0-KB3156387-x64.msu

For all supported 32-bit editions of Windows 10 Version 1511:Windows10.0-KB3156421-x86.msu

For all supported x64-based editions of Windows 10 Version 1511:Windows10.0-KB3156421-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

In some cases, this update does not require a restart. If the required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart.

Removal information

To uninstall an update 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.

File information

See Microsoft Knowledge Base Article 3156387See Microsoft Knowledge Base Article 3156421

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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