Summary
An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver does not correctly handle objects in memory. An attacker who successfully exploits the vulnerability could potentially expose the contents of system memory.
To learn more about the vulnerability, go to CVE-2018-8271.
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
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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-KB4338381-x86-Embedded-ENU.exe |
5E6168475C2FB6F8D78D9B639E6D9802F4B90917 |
C33C07FDC50A5EA654FC7181457EF5CF22DB6BA86D2931A9A029F815EB32FA90 |
For all supported x86-based versions
|
File name |
File version |
File size |
Date |
Time |
Platform |
|
Mrxsmb.sys |
5.1.2600.7547 |
456,960 |
18-Jul-2018 |
23:57 |
x86 |
|
Updspapi.dll |
6.3.13.0 |
382,840 |
31-Jan-2018 |
18:26 |
x86 |
