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.
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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.
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.
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Security update deployment information
Windows Vista (all editions)Reference Table
The following table contains the security update information for this software.
| Security update file names | For 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 switches | See Microsoft Knowledge Base Article 934307 |
| Restart requirement | You must restart your system after you apply this security update. |
| Removal information | WUSA.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 information | See the file information section |
| Registry key verification | Note 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 names | For 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 switches | See Microsoft Knowledge Base Article 934307 |
| Restart requirement | You must restart your system after you apply this security update. |
| Removal information | WUSA.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 information | See the file information section |
| Registry key verification | Note A registry key does not exist to validate the presence of this update. |
See the file information section.
File hash information
| Package Name | Package Hash SHA 1 | Package Hash SHA 2 |
|---|---|---|
| Windows6.0-KB3073921-v2-ia64.msu | 05F214D4B19EFEB2353CF029DAA4D5DFBD5B2DF6 | D58FCB5A194D01D6DAC7F727AC22B79A628F6AAF82F3775B66B3B3D1FD03BBD6 |
| Windows6.0-KB3073921-v2-x64.msu | 88FBB1258180959445DFCF65F6738933E6A58555 | 5806B2E578C0F3CC336B4C32E143F1E99EFF386FF5141A33152F0AEE0F7218D3 |
| Windows6.0-KB3073921-v2-x86.msu | BEC5FA1DBF93C2B552143DEAE5F954B7C0D86A64 | BE69BB76E2F8BA91E477CFF1632E1B49F102AAFA61C39C751F751D09EAB9ABD7 |
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:
Version Product Milestone Service branch 6.0.6002.19xxx Windows Vista SP2 and Windows Server 2008 SP2 SP2 GDR 6.0.6002.23xxx Windows Vista SP2 and Windows Server 2008 SP2 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.
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 name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Srvnet.sys | 6.0.6002.19478 | 102,912 | 13-Aug-2015 | 14:15 | x86 |
| Srvnet.sys | 6.0.6002.23788 | 102,912 | 13-Aug-2015 | 14:17 | x86 |
| Srv.sys | 6.0.6002.19478 | 304,640 | 13-Aug-2015 | 14:15 | x86 |
| Srv.sys | 6.0.6002.23788 | 305,152 | 13-Aug-2015 | 14:18 | x86 |
For all supported x64-based versions of Windows Vista and Windows Server 2008
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Srvnet.sys | 6.0.6002.19478 | 294,912 | 13-Aug-2015 | 14:21 | IA-64 |
| Srvnet.sys | 6.0.6002.23788 | 295,424 | 13-Aug-2015 | 14:19 | IA-64 |
| Srv.sys | 6.0.6002.19478 | 966,144 | 13-Aug-2015 | 14:21 | IA-64 |
| Srv.sys | 6.0.6002.23788 | 967,168 | 13-Aug-2015 | 14:19 | IA-64 |
For all supported IA-64-based versions of Windows Server 2008
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Srvnet.sys | 6.0.6002.19478 | 145,920 | 13-Aug-2015 | 14:36 | x64 |
| Srvnet.sys | 6.0.6002.23788 | 146,944 | 13-Aug-2015 | 14:42 | x64 |
| Srv.sys | 6.0.6002.19478 | 450,560 | 13-Aug-2015 | 14:36 | x64 |
| Srv.sys | 6.0.6002.23788 | 449,536 | 13-Aug-2015 | 14:43 | x64 |
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