Summary
This security update resolves a vulnerability in Microsoft Windows that could allow Information Disclosure when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. In a local attack scenario, an attacker could exploit this vulnerability by running a specially crafted application to bypass security measures on the affected system allowing further exploitation.
To learn more about the vulnerability, see Microsoft Security Bulletin MS16-153.
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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
Windows Update: FAQ.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
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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
File Information
File hash information
| File name | SHA1 hash | SHA256 hash |
|---|---|---|
| Windows6.0-KB3203838-ia64.msu | 59147DE4E99FC605246E53520B75B7938E697413 | 59970913B96C92BE213A033BFAD3264C3DDE86B1E37977E7DF6F4A9DBC85A9DF |
| Windows6.0-KB3203838-x64.msu | EF03EA9E979E5F104D287BA444E39C708A7FBA6E | 78988B16B221DE58862D9B5F491E122750DB7752EAAE0FDE2CA7EC506DEE8A86 |
| Windows6.0-KB3203838-x86.msu | 52A70951BE03E526AB25774F31E424A9D9DBBA73 | 03F51AF42D7D40792FB11B49FF3FF011A13AEEDC0C2A42CCAAA99B893B1871EA |
File information
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 MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
For all supported ia64-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Clfs.mof | Not applicable | 3,472 | 03-Jan-2008 | 18:57 | Not applicable |
| Clfs.sys | 6.0.6002.19717 | 841,960 | 16-Nov-2016 | 16:54 | IA-64 |
| Clfsuninstall.mof | Not applicable | 123 | 03-Jan-2008 | 18:57 | Not applicable |
| Clfs.mof | Not applicable | 3,472 | 07-Mar-2016 | 23:36 | Not applicable |
| Clfs.sys | 6.0.6002.24039 | 841,960 | 16-Nov-2016 | 16:23 | IA-64 |
| Clfsuninstall.mof | Not applicable | 123 | 07-Mar-2016 | 23:36 | Not applicable |
For all supported x64-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Clfs.mof | Not applicable | 3,472 | 18-Sep-2006 | 21:36 | Not applicable |
| Clfs.sys | 6.0.6002.19717 | 364,776 | 16-Nov-2016 | 17:20 | x64 |
| Clfsuninstall.mof | Not applicable | 123 | 18-Sep-2006 | 21:36 | Not applicable |
| Clfs.mof | Not applicable | 3,472 | 07-Mar-2016 | 23:37 | Not applicable |
| Clfs.sys | 6.0.6002.24039 | 364,776 | 16-Nov-2016 | 16:54 | x64 |
| Clfsuninstall.mof | Not applicable | 123 | 07-Mar-2016 | 23:37 | Not applicable |
For all supported x86-based versions
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Clfs.mof | Not applicable | 3,472 | 18-Sep-2006 | 21:38 | Not applicable |
| Clfs.sys | 6.0.6002.19717 | 244,968 | 16-Nov-2016 | 17:55 | x86 |
| Clfsuninstall.mof | Not applicable | 123 | 18-Sep-2006 | 21:39 | Not applicable |
| Clfs.mof | Not applicable | 3,472 | 07-Mar-2016 | 23:37 | Not applicable |
| Clfs.sys | 6.0.6002.24039 | 244,968 | 16-Nov-2016 | 16:29 | x86 |
| Clfsuninstall.mof | Not applicable | 123 | 07-Mar-2016 | 23:37 | Not applicable |