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MS15-083: Vulnerability in Server Message Block could allow remote code execution: August 11, 2015

Note On September 8 2015, Microsoft re-released MS15-083 to comprehensively address issues with Security Update KB3073921. Customers running Windows Vista or Windows Server 2008 who installed the 3073921 update before the September 8 2015 re-release should reapply the update.
Summary
This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted string to SMB server error logging.

To learn more about the vulnerability, see Microsoft Security Bulletin MS15-083.
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, seeGet security updates automatically.

Method 2: Microsoft Download Center

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 MS15-083 that corresponds to the version of Windows that you are running.
More information

Security update deployment information

Windows Vista (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file namesFor all supported 32-bit editions of Windows Vista:
Windows6.0-KB3073921-v2-x86.msu

For all supported x64-based editions of Windows Vista:
Windows6.0-KB3073921-v2-x64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou must restart your system after you apply this security update.
Removal informationWUSA.exe does not support the removal of updates. To uninstall an update that was 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.
File informationSee the file information section
Registry key verificationNote A registry key does not exist to validate the presence of this update.

Windows Server 2008 (all editions)

Reference Table

The following table contains the security update information for this software.
Security update file namesFor all supported 32-bit editions of Windows Server 2008:
Windows6.0-KB3073921-v2-x86.msu

For all supported x64-based editions of Windows Server 2008:
Windows6.0-KB3073921-v2-x64.msu

For all supported Itanium-based editions of Windows Server 2008:
Windows6.0-KB3073921-v2-ia64.msu
Installation switchesSee Microsoft Knowledge Base Article 934307
Restart requirementYou must restart your system after you apply this security update.
Removal informationWUSA.exe does not support the removal of updates. To uninstall an update that was 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.
File informationSee the file information section
Registry key verificationNote A registry key does not exist to validate the presence of this update.
See the file information section.

File hash information

Package NamePackage Hash SHA 1Package Hash SHA 2
Windows6.0-KB3073921-v2-ia64.msu05F214D4B19EFEB2353CF029DAA4D5DFBD5B2DF6D58FCB5A194D01D6DAC7F727AC22B79A628F6AAF82F3775B66B3B3D1FD03BBD6
Windows6.0-KB3073921-v2-x64.msu88FBB1258180959445DFCF65F6738933E6A585555806B2E578C0F3CC336B4C32E143F1E99EFF386FF5141A33152F0AEE0F7218D3
Windows6.0-KB3073921-v2-x86.msuBEC5FA1DBF93C2B552143DEAE5F954B7C0D86A64BE69BB76E2F8BA91E477CFF1632E1B49F102AAFA61C39C751F751D09EAB9ABD7

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Vista and Windows Server 2008 file information

  • The files that apply to a specific product, milestone (SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.0.6002.19xxxWindows Vista SP2 and Windows Server 2008 SP2SP2GDR
    6.0.6002.23xxxWindows Vista SP2 and Windows Server 2008 SP2SP2LDR
  • 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.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

For all supported x86-based versions of Windows Vista and Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Srvnet.sys6.0.6002.19478102,91213-Aug-201514:15x86
Srvnet.sys6.0.6002.23788102,91213-Aug-201514:17x86
Srv.sys6.0.6002.19478304,64013-Aug-201514:15x86
Srv.sys6.0.6002.23788305,15213-Aug-201514:18x86

For all supported x64-based versions of Windows Vista and Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Srvnet.sys6.0.6002.19478294,91213-Aug-201514:21IA-64
Srvnet.sys6.0.6002.23788295,42413-Aug-201514:19IA-64
Srv.sys6.0.6002.19478966,14413-Aug-201514:21IA-64
Srv.sys6.0.6002.23788967,16813-Aug-201514:19IA-64

For all supported IA-64-based versions of Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Srvnet.sys6.0.6002.19478145,92013-Aug-201514:36x64
Srvnet.sys6.0.6002.23788146,94413-Aug-201514:42x64
Srv.sys6.0.6002.19478450,56013-Aug-201514:36x64
Srv.sys6.0.6002.23788449,53613-Aug-201514:43x64

How to obtain help and support for this security update

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
malicious attacker exploit
Properties

Article ID: 3073921 - Last Review: 09/08/2015 17:42:00 - Revision: 2.0

Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

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