Summary

This security update resolves vulnerabilities in the JScript and VBScript scripting engines in Microsoft Windows. The vulnerabilities could allow remote code execution if a user visits a specially crafted website. An attacker who successfully exploits these vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploits these vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-053.

More Information

Important

  • 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.

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, see
Get 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 MS16-053 that corresponds to the version of Windows that you are running.

More Information

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

File Information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB3158991-x86.msu

3983349C99B5E09E0C6ACB09443BE69CCE3FBBD7

B15290E7D4FAAA529BCCEF285C05A2036AD010B8F709F3AF57C9671C96F24965

Windows6.0-KB3158991-ia64.msu

C4CF2ECDCB59A8A7DD614CF2AF3ADAF1A9DD4253

29DBEB4C7FFC849298C001B587F2088E81DB7EC8EA57C9266818DDAFB99678D3

Windows6.0-KB3158991-x64.msu

E8690F843B93E48FC0086183A320106EDE47993F

B39F48F79A96E6CCDA4709CFDD427AC995246CE9DF3948B8637D813F213DD21B


The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Windows Vista and Windows Server 2008 file information

Notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.0.600 2.19xxx

    Windows Vista or Windows Server 2008

    SP2

    GDR

    6.0.600 2.23xxx

    Windows Vista or Windows Server 2008

    SP2

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Jscript.dll

5.7.6002.19642

516,096

23-Apr-2016

04:44

x86

Jscript.dll

5.7.6002.23956

516,096

23-Apr-2016

04:42

x86

Vbscript.dll

5.7.6002.19642

434,176

23-Apr-2016

04:45

x86

Vbscript.dll

5.7.6002.23956

434,176

23-Apr-2016

04:43

x86

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Jscript.dll

5.7.6002.19642

1,394,688

24-Apr-2016

03:39

IA-64

Jscript.dll

5.7.6002.23956

1,395,200

24-Apr-2016

03:02

IA-64

Vbscript.dll

5.7.6002.19642

1,174,016

24-Apr-2016

03:40

IA-64

Vbscript.dll

5.7.6002.23956

1,175,552

24-Apr-2016

03:02

IA-64

Jscript.dll

5.7.6002.19642

516,096

23-Apr-2016

04:44

x86

Jscript.dll

5.7.6002.23956

516,096

23-Apr-2016

04:42

x86

Vbscript.dll

5.7.6002.19642

434,176

23-Apr-2016

04:45

x86

Vbscript.dll

5.7.6002.23956

434,176

23-Apr-2016

04:43

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Jscript.dll

5.7.6002.19642

755,200

24-Apr-2016

04:07

x64

Jscript.dll

5.7.6002.23956

755,200

24-Apr-2016

03:24

x64

Vbscript.dll

5.7.6002.19642

583,680

24-Apr-2016

04:07

x64

Vbscript.dll

5.7.6002.23956

583,168

24-Apr-2016

03:24

x64

Jscript.dll

5.7.6002.19642

516,096

23-Apr-2016

04:44

x86

Jscript.dll

5.7.6002.23956

516,096

23-Apr-2016

04:42

x86

Vbscript.dll

5.7.6002.19642

434,176

23-Apr-2016

04:45

x86

Vbscript.dll

5.7.6002.23956

434,176

23-Apr-2016

04:43

x86


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