Summary
This security update fixes vulnerabilities in the VBScript scripting engine in Windows. The more severe of the vulnerabilities could allow remote code execution if an attacker hosts a specially crafted website that's designed to exploit the vulnerabilities through Internet Explorer (or if an attacker leverages a compromised website or a website that accepts or hosts user-provided content or advertisements) and then convinces a user to view the website. An attacker could also embed an ActiveX control marked as "safe for initialization" in an application or Microsoft Office document that uses the Internet Explorer rendering engine to direct the user to the specially crafted website. To learn more about the vulnerability, see Microsoft Security Bulletin MS15-126.
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Important
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All future security and nonsecurity updates for Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows Server 2012 R2-based computer so that you receive future updates.
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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.
More information about this security update
The following articles contain more information about this security update as it relates to individual product versions. The articles may contain known issue information.
How to get 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, see Get security updates automatically.
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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 JScript 5.7 and VBScript 5.7 on all supported 32-bit editions of Windows Vista:Windows6.0-KB3105579-x86.msu |
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For JScript 5.7 and VBScript 5.7 on all supported x64-based editions of Windows Vista:Windows6.0-KB3105579-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, you receive a message that advises you to restart. |
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Removal information |
WUSA.exe does not support uninstall of 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. |
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File information |
See the file information section. |
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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 JScript 5.7 and VBScript 5.7 on all supported 32-bit editions of Windows Server 2008:Windows6.0-KB3105579-x86.msu |
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For JScript 5.7 and VBScript 5.7 on all supported x64-based editions of Windows Server 2008:Windows6.0-KB3105579-x64.msu |
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For JScript 5.7 and VBScript 5.7 on all supported Itanium-based editions of Windows Server 2008:Windows6.0-KB3105579-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, you receive a message that advises you to restart. |
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Removal information |
WUSA.exe does not support uninstall of 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. |
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File information |
See the file information section. |
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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 (all editions)Reference TableThe following table contains the security update information for this software.
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Security update file name |
For JScript 5.8 and VBScript 5.8 on all supported Server Core installations of x64-based editions of Windows Server 2008 R2:Windows6.1-KB3105578-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, you receive a message that advises you to restart. |
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Removal information |
To 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. |
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File information |
See the file information section. |
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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
