Description of the security update for the Microsoft COM for Windows remote code execution vulnerability in Windows Server 2008, Windows Embedded POSReady 2009, and Windows Embedded Standard 2009: May 08, 2018

Summary

A remote code execution vulnerability exists in “Microsoft COM for Windows” when it fails to properly handle serialized objects.

To learn more about the vulnerability, go to CVE-2018-0824.

More Information

ImportantIf 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: May 08, 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-KB4101477-x64.msu	0680759BCE3DFB5C9F4A9CC0386A1B70F2F929B8	979DE7353DA882BBF5D4B160E188F52503DE6BEFE191EBF4DC69968875FECB30
Windows6.0-KB4101477-x86.msu	198A8A3E0CFC2625B75C030A5168E4327E861C08	3DBB8C69DFD43E7CE289C02597446FC77289EDFA5167EB420FF8DB4C6294EABE
Windows6.0-KB4101477-ia64.msu	05D799F8C86A8220AF8C9963536A65744D39C830	64EC8668E054A5A441D357D1B9969CDE94B1DB0443BC8E1A4C5D668725A390B4
WindowsXP-KB4101477-x86-Embedded-ENU.exe	226E81D9EC3BFD1BD6198021AE5D728074C7D2F4	9DF4EEABD50527C411E9B515D3E09DFBDDF47CDF93E2EBF56C5C97DFD56436D5

For all supported x64-based versions

File name	File version	File size	Date	Time	Platform
Catsrvut.dll	2001.12.6932.24363	532,480	10-Apr-2018	14:37	x64
Comsvcs.dll	2001.12.6932.24363	1,687,040	10-Apr-2018	14:37	x64
Catsrvut.dll	2001.12.6932.24363	488,448	10-Apr-2018	14:47	x86
Comsvcs.dll	2001.12.6932.24363	1,208,832	10-Apr-2018	14:47	x86

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Catsrvut.dll	2001.12.6932.24363	488,448	10-Apr-2018	14:47	x86
Comsvcs.dll	2001.12.6932.24363	1,208,832	10-Apr-2018	14:47	x86

For all supported ia64-based versions

File name	File version	File size	Date	Time	Platform
Catsrvut.dll	2001.12.6932.24363	1,220,096	10-Apr-2018	14:30	IA-64
Comsvcs.dll	2001.12.6932.24363	3,226,624	10-Apr-2018	14:30	IA-64
Catsrvut.dll	2001.12.6932.24363	488,448	10-Apr-2018	14:47	x86
Comsvcs.dll	2001.12.6932.24363	1,208,832	10-Apr-2018	14:47	x86
Windows Embedded POSReady 2009 and Windows Embedded Standard 2009 file information

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform
Comsvcs.dll	2001.12.4414.707	1,267,712	11-Apr-2018	00:35	x86
Updspapi.dll	6.3.13.0	382,840	31-Jan-2018	18:26	x86