Summary
This security update resolves a vulnerability in the JScript and VBScript scripting engines in Microsoft Windows. The vulnerability could allow remote code execution if a user visits a specially crafted website. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on by using administrative user rights, an attacker who successfully exploited the vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts that have full user rights. To learn more about the vulnerability, see Microsoft Security Bulletin MS16-086.
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Important
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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.
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 contain known issue information.
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.
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 MS16-086 that corresponds to the version of Windows that you are running.
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Windows Vista (all editions)Reference tableThe following table contains the security update information for this software.
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Security update file names |
For all supported 32-bit editions of Windows Vista:Windows6.0-KB3169659-x86.msu |
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For all supported x64-based editions of Windows Vista:Windows6.0-KB3169659-x64.msu |
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Installation switches |
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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. |
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Removal information |
WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates, and then select from the list of updates. |
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File information |
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Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
Windows Server 2008 (all editions)Reference tableThe following table contains the security update information for this software.
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Security update file names |
For all supported 32-bit editions of Windows Server 2008:Windows6.0-KB3169659-x86.msu |
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For all supported x64-based editions of Windows Server 2008:Windows6.0-KB3169659-x64.msu |
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For all supported Itanium-based editions of Windows Server 2008:Windows6.0-KB3169659-ia64.msu |
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Installation switches |
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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. |
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Removal information |
WUSA.exe does not support uninstalling updates. To uninstall an update that is installed by WUSA, click Control Panel, and then click Security. Under Windows Update, click View installed updates, and then select from the list of updates. |
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File information |
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Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
Windows Server 2008 R2 (Server Core)Reference tableThe following table contains the security update information for this software.
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Security update file name |
For all supported x64-based editions of Windows Server 2008 R2:Windows6.1-KB3169658-x64.msu |
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Installation switches |
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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. |
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Removal information |
To uninstall an update that is installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, click View installed updates, and then select from the list of updates. |
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File information |
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Registry key verification |
Note A registry key does not exist to validate the presence of this update. |
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
