Description of the security update for the Windows Installer elevation of privilege Vulnerability in Windows Server 2008 and WES09 and POSReady 2009: March 13, 2018

Summary

An elevation of privilege vulnerability exists in Windows Installer when the Installer fails to properly sanitize input, leading to insecure library loading behavior.

To learn more about the vulnerability, go to CVE-2018-0868.

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, see the following article in the Microsoft Knowledge Base:Security update deployment information: March 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.

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

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 the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

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

Windows Server 2008 file information

File hash information

File name	SHA1 hash	SHA256 hash
Windows6.0-KB4087398-ia64.msu	2D672C5563FFF0DB2E2C074CB994204ADA894E1A	6A671D7F0B3CA2CA420D37419648856E21359C2722F22A39799815A43329C1D4
Windows6.0-KB4087398-x86.msu	44D44B3A5DDC8CDF5DA8944DE709172B7CD6C419	3557BEE6D4F850C7A351EC4B5D9F1E16CACBC2C5678FFF6AB1E50BD5C30E33D6
Windows6.0-KB4087398-x64.msu	9A671C5D4882B7772B1D8B85A48E7E94539F9737	379A91B9081C233FE5BC2D62C88362C994F161C06F1228D635B9B4974E4F3C48

For all supported ia64-based versions

File name	File version	File size	Date	Time	Platform
Appinfo.dll	6.0.6002.24299	90,624	03-Feb-2018	15:25	IA-64
Authui.dll.mui	6.0.6002.24299	11,264	03-Feb-2018	17:03	Not applicable
Authui.dll.mui	6.0.6002.24299	11,776	03-Feb-2018	17:16	Not applicable
Authui.dll.mui	6.0.6002.24299	14,336	03-Feb-2018	16:57	Not applicable
Authui.dll.mui	6.0.6002.24299	14,848	03-Feb-2018	17:12	Not applicable
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:43	Not applicable
Authui.dll.mui	6.0.6002.24299	21,504	03-Feb-2018	15:27	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:41	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	26,112	03-Feb-2018	17:04	Not applicable
Authui.dll.mui	6.0.6002.24299	26,112	03-Feb-2018	17:05	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	15:50	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:37	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:47	Not applicable
Authui.dll	6.0.6002.24299	1,993,728	03-Feb-2018	15:46	x86
Authui.dll	6.0.6002.24299	2,951,680	03-Feb-2018	15:25	IA-64
Consent.exe	6.0.6002.24299	133,120	03-Feb-2018	15:01	IA-64
Msi.dll	4.5.6002.24299	2,267,648	03-Feb-2018	15:47	x86
Msi.dll	4.5.6002.24299	5,999,616	03-Feb-2018	15:25	IA-64
Msiexec.exe	4.5.6002.24299	237,568	03-Feb-2018	15:01	IA-64
Msiexec.exe	4.5.6002.24299	73,216	03-Feb-2018	14:53	x86
Msihnd.dll	4.5.6002.24299	1,085,952	03-Feb-2018	15:25	IA-64
Msihnd.dll	4.5.6002.24299	332,800	03-Feb-2018	15:47	x86
Msimsg.dll	4.5.6002.24299	2,560	03-Feb-2018	15:00	IA-64
Msimsg.dll	4.5.6002.24299	2,560	03-Feb-2018	14:53	x86

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Appinfo.dll	6.0.6002.24299	33,280	03-Feb-2018	15:46	x86
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:43	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:41	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	28,672	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	28,672	03-Feb-2018	16:49	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:37	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:46	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:36	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	15:50	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:45	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:35	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:50	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:51	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:52	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:39	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:40	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:38	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:37	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:38	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:47	Not applicable
Authui.dll	6.0.6002.24299	1,993,728	03-Feb-2018	15:46	x86
Consent.exe	6.0.6002.24299	82,432	03-Feb-2018	14:54	x86
Msi.dll	4.5.6002.24299	2,267,648	03-Feb-2018	15:47	x86
Msiexec.exe	4.5.6002.24299	73,216	03-Feb-2018	14:53	x86
Msihnd.dll	4.5.6002.24299	332,800	03-Feb-2018	15:47	x86
Msimsg.dll	4.5.6002.24299	2,560	03-Feb-2018	14:53	x86

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Appinfo.dll	6.0.6002.24299	45,056	03-Feb-2018	15:34	x64
Authui.dll.mui	6.0.6002.24299	11,264	03-Feb-2018	16:52	Not applicable
Authui.dll.mui	6.0.6002.24299	11,776	03-Feb-2018	16:55	Not applicable
Authui.dll.mui	6.0.6002.24299	14,336	03-Feb-2018	16:54	Not applicable
Authui.dll.mui	6.0.6002.24299	14,848	03-Feb-2018	16:59	Not applicable
Authui.dll.mui	6.0.6002.24299	18,944	03-Feb-2018	17:00	Not applicable
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	20,480	03-Feb-2018	16:43	Not applicable
Authui.dll.mui	6.0.6002.24299	20,992	03-Feb-2018	16:48	Not applicable
Authui.dll.mui	6.0.6002.24299	21,504	03-Feb-2018	15:38	Not applicable
Authui.dll.mui	6.0.6002.24299	21,504	03-Feb-2018	16:48	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:50	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:45	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:58	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:43	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:56	Not applicable
Authui.dll.mui	6.0.6002.24299	22,528	03-Feb-2018	16:55	Not applicable
Authui.dll.mui	6.0.6002.24299	23,040	03-Feb-2018	16:57	Not applicable
Authui.dll.mui	6.0.6002.24299	23,040	03-Feb-2018	16:51	Not applicable
Authui.dll.mui	6.0.6002.24299	23,040	03-Feb-2018	16:52	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	17:02	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	16:45	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	16:54	Not applicable
Authui.dll.mui	6.0.6002.24299	23,552	03-Feb-2018	16:53	Not applicable
Authui.dll.mui	6.0.6002.24299	24,064	03-Feb-2018	16:46	Not applicable
Authui.dll.mui	6.0.6002.24299	24,064	03-Feb-2018	16:57	Not applicable
Authui.dll.mui	6.0.6002.24299	24,064	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	24,064	03-Feb-2018	16:48	Not applicable
Authui.dll.mui	6.0.6002.24299	24,064	03-Feb-2018	16:43	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:49	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:41	Not applicable
Authui.dll.mui	6.0.6002.24299	24,576	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	25,088	03-Feb-2018	16:48	Not applicable
Authui.dll.mui	6.0.6002.24299	26,112	03-Feb-2018	16:48	Not applicable
Authui.dll.mui	6.0.6002.24299	26,112	03-Feb-2018	16:57	Not applicable
Authui.dll.mui	6.0.6002.24299	27,136	03-Feb-2018	16:49	Not applicable
Authui.dll.mui	6.0.6002.24299	28,672	03-Feb-2018	16:44	Not applicable
Authui.dll.mui	6.0.6002.24299	28,672	03-Feb-2018	16:49	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:37	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:46	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:36	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	15:50	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:45	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:35	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:50	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:51	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:52	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:47	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:39	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:40	Not applicable
Authui.dll.mui	6.0.6002.24299	32,768	03-Feb-2018	16:38	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:37	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:38	Not applicable
Authui.dll.mui	6.0.6002.24299	36,864	03-Feb-2018	16:47	Not applicable
Authui.dll	6.0.6002.24299	1,993,728	03-Feb-2018	15:46	x86
Authui.dll	6.0.6002.24299	2,280,960	03-Feb-2018	15:34	x64
Consent.exe	6.0.6002.24299	87,552	03-Feb-2018	15:06	x64
Msi.dll	4.5.6002.24299	2,267,648	03-Feb-2018	15:47	x86
Msi.dll	4.5.6002.24299	3,143,168	03-Feb-2018	15:34	x64
Msiexec.exe	4.5.6002.24299	125,952	03-Feb-2018	15:06	x64
Msiexec.exe	4.5.6002.24299	73,216	03-Feb-2018	14:53	x86
Msihnd.dll	4.5.6002.24299	332,800	03-Feb-2018	15:47	x86
Msihnd.dll	4.5.6002.24299	503,296	03-Feb-2018	15:34	x64
Msimsg.dll	4.5.6002.24299	2,560	03-Feb-2018	15:05	x64
Msimsg.dll	4.5.6002.24299	2,560	03-Feb-2018	14:53	x86

Windows XP file information

File hash information

File name	SHA1 hash	SHA256 hash
WindowsXP-KB4087398-x86-Embedded-ENU.exe	A20BCE534494DB1303EFEFF6F2ABAE8CB15F4861	009EE613EA96082999B990B67EC6B9E877704D7EAA157CD1AF2CB380C80AF830

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Msi.dll	4.5.6002.24298	4,471,808	09-Feb-2018	08:26	x86	SP3	SP3QFE
Msiexec.exe	4.5.6002.23731	96,256	07-Feb-2018	15:30	x86	SP3	SP3QFE
Msihnd.dll	4.5.6002.23415	332,800	09-Feb-2018	08:26	x86	SP3	SP3QFE
Updspapi.dll	6.3.13.0	382,840	16-May-2014	03:08	x86	None	Not applicable