Description of the security update for the Windows remote assistance information disclosure vulnerability in Windows Server 2008, Windows Embedded POSReady 2009, and Windows Embedded Standard 2009: March 13, 2018

Notice

This security update was re-released on May 8, 2018 to include an update for Windows Embedded POSReady 2009 and Windows Embedded Standard 2009. The original March 13, 2018 update for Windows Server 2008 has not changed.

Summary

An information disclosure vulnerability exists when Windows Remote Assistance incorrectly processes XML External Entities (XXE).

To learn more about the vulnerability, see CVE-2018-0878.

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: 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.

Windows XP file information

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-KB4089453-x86.msu	E96AED586F2FD0E65815D631E667B398B0DDD3B5	7678A2BFCCC84B1444519F0D8497ED4623996A44B74A0DC39F4705D4C84F7A0D
Windows6.0-KB4089453-x64.msu	4F7735A9A158389DB55A7B285DD8461C47C884F9	92FF3392B6A4A650D236607C45C1DB98792A0D4002E777DD1E5E54BB2FBD9954

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Msra.exe	6.0.6002.24305	465,408	10-Feb-2018	06:15	x86
Msralegacy.tlb	6.0.6002.24305	7,168	10-Feb-2018	06:15	Not applicable
Racpldlg.dll	6.0.6002.24305	40,960	10-Feb-2018	07:09	x86
Sdchange.exe	6.0.6002.24305	82,944	10-Feb-2018	06:15	x86

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Msra.exe	6.0.6002.24305	605,696	10-Feb-2018	06:27	x64
Msralegacy.tlb	6.0.6002.24305	7,168	10-Feb-2018	06:27	Not applicable
Racpldlg.dll	6.0.6002.24305	50,176	10-Feb-2018	06:58	x64
Sdchange.exe	6.0.6002.24305	89,600	10-Feb-2018	06:27	x64
Msra.exe	6.0.6002.24305	132,096	10-Feb-2018	06:15	x86
Msralegacy.tlb	6.0.6002.24305	7,168	10-Feb-2018	06:15	Not applicable
Racpldlg.dll	6.0.6002.24305	40,960	10-Feb-2018	07:09	x86
Sdchange.exe	6.0.6002.24305	82,944	10-Feb-2018	06:15	x86

File Information

File hash information

File name	SHA1 hash	SHA256 hash
WindowsXP-KB4089453-v2-x86-Embedded-ENU.exe	23B1AEC8D9E41242C20799E66045DC75C089DF61	6AE421895CF8408ED3C9D6700ACEC30D1D23FE9DB024FF52FA457E4F1994B2CC

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Helpctr.exe	5.1.2600.7431	769,536	10-Feb-2018	16:39	x86	SP3	SP3QFE
Helphost.exe	5.1.2600.7431	112,128	10-Feb-2018	16:39	x86	SP3	SP3QFE
Helpsvc.exe	5.1.2600.7431	744,960	10-Feb-2018	16:39	x86	SP3	SP3QFE
Pchsvc.dll	5.1.2600.7431	38,912	06-Apr-2018	18:33	x86	SP3	SP3QFE
Safrslv.dll	5.1.2600.7431	45,568	06-Apr-2018	18:33	x86	SP3	SP3QFE
Srdiag.exe	5.1.2600.7431	52,736	10-Feb-2018	16:39	x86	SP3	SP3QFE
Uploadm.exe	5.1.2600.7431	151,040	10-Feb-2018	16:39	x86	SP3	SP3QFE
Updspapi.dll	6.3.13.0	382,840	31-Jan-2018	18:26	x86	None	Not applicable