Description of the security update for the kernel information disclosure vulnerabilities in Windows Server 2008: April 10, 2018

Applies to: Windows Server 2008 Service Pack 2Windows Server 2008 DatacenterWindows Server 2008 Enterprise


An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An additional information disclosure vulnerability exists in the Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (ASLR) bypass.

To learn more about the vulnerabilities, see the following Common Vulnerabilities and Exposures (CVE):

Improvements and fixes

Addressed a stop error that was occurring when the prior month’s update was applied to a 32-bit (x86) computer with a Physical Address Extension (PAE) mode disabled.

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.

Note Windows Update and Windows Server Update Services (WSUS) will offer this update to applicable Windows client and server operating systems, regardless of the existence or value of the following registry setting:


This change has been made to protect user data.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Windows Server 2008 file 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.