October 8, 2019—KB4520009 (Security-only update)
Applies To
Windows Server 2008 Service Pack 2Release Date:
8/10/2019
Version:
Security-only update
Improvements and fixes
This security update includes quality improvements. Key changes include:
-
Security updates to Windows Authentication, Windows Kernel, Microsoft JET Database Engine, Internet Information Services, and Windows Server.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
|
Symptom |
Workaround |
|
Updates for Windows released October 8, 2019 or later provide protections, tracked by CVE-2019-1318, against an attack that could allow unauthorized access to information or data within TLS connections. This type of attack is known as a man-in-the-middle exploit. Windows might fail to connect to TLS clients and servers that do not support Extended Master Secret for resumption (RFC 7627). Lack of RFC support might cause one or more of the following errors or logged events:
|
For information, see KB4528489. |
How to get this update
Before installing this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes.
If you are using Windows Update, the latest SSU (KB4517134) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
Install this update
|
Release Channel |
Available |
Next Step |
|
Windows Update and Microsoft Update |
No |
See the other options below. |
|
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
|
Windows Server Update Services (WSUS) |
Yes |
This update will automatically synchronize with WSUS if you configure Products and Classifications as follows: Product: Windows Server 2008 Service Pack 2 Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the file information for update 4520009.
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