Description of the security update for the Windows Common Log file system driver elevation of privilege vulnerability in Windows Server 2008: February 13, 2018

Summary

An elevation of privilege vulnerability exist when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.

To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE) pages:

• CVE-2018-0844
• CVE-2018-0846

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 Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:
Security update deployment information: February 13, 2018

More Information

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 together with your current daylight-saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Windows Server 2008 file information

**Note:**The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

How to obtain help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

File Information

File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB4073079-x64.msu	C4E35830D1CC37D2BC911096F2492489F119A3E6	A5AC5B95B05BF0418303307BE3ED91ABA6D5C61FD1720E38E695036E433E53D0
Windows6.0-KB4073079-ia64.msu	169A1C560096858055EE3983AB907F4CBFEA2DE6	834855706CBA3982C6C16499C4AC6599CA74BE7575D1844F3790F6B4494831FD
Windows6.0-KB4073079-x86.msu	011E55568DC7D102E05B72EEABD4A3D1B8453803	87A6CD26190191EBE583B632C7D56628880687992AF296631F04D527B4E009AB

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Clfs.mof	Not applicable	3,472	16-Nov-2017	03:47	Not applicable
Clfs.sys	6.0.6002.24282	365,288	12-Jan-2018	15:41	x64
Clfsuninstall.mof	Not applicable	123	16-Nov-2017	03:47	Not applicable

For all supported ia64-based versions

File name	File version	File size	Date	Time	Platform
Clfs.mof	Not applicable	3,472	16-Nov-2017	03:19	Not applicable
Clfs.sys	6.0.6002.24282	841,448	12-Jan-2018	15:28	IA-64
Clfsuninstall.mof	Not applicable	123	16-Nov-2017	03:19	Not applicable

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Clfs.mof	Not applicable	3,472	16-Nov-2017	04:49	Not applicable
Clfs.sys	6.0.6002.24282	244,968	12-Jan-2018	15:56	x86
Clfsuninstall.mof	Not applicable	123	16-Nov-2017	04:49	Not applicable