Description of the security update for the remote code execution vulnerability in Windows Embedded POSReady 2009 and Windows Embedded Standard 2009: September 11, 2018

Summary

A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploits the vulnerability could run malicious code remotely to take control of the user’s system.

To learn more about the vulnerability, go to CVE-2018-8420.

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.
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.

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 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

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
WindowsXP-KB4458003-x86-Embedded-ENU.exe	A17D87D408201C9D690D726DA04D09F717BC661E	3FD6BBEC234324D1C552356CD0FB3E6F62CC738F407B5C2A7454F2FA10B3E6FC

For all supported x86-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Msxml3.dll	8.100.1063.0	1,176,576	14-Aug-2018	14:32	x86	SP3	SP3QFE
Msxml6.dll	6.20.2506.0	1,447,936	14-Aug-2018	14:32	x86	SP3	SP3QFE
Updspapi.dll	6.3.13.0	382,840	31-Jan-2018	18:26	x86	None	Not applicable