July 9, 2019 - KB4507456 (Security-only update)
Applies to: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1
July 19, 2019 - IMPORTANT: Beginning with the July 2019 updates, Active Directory domain controllers will intentionally block unconstrained delegation across forest, external, and quarantined trusts. Authentication requests for services that use unconstrained delegation over the listed trust types will fail when you request new tickets. Administrators should reconfigure the affected services to use resource-based constrained delegation. For more information, see
KB4490425.
Improvements and fixes
This security update includes quality improvements. Key changes include:
- Security updates to Windows Server, Microsoft Graphics Component, Windows Storage and Filesystems, Windows Shell, Windows Input and Composition, and Windows Kernel.
For more information about the resolved security vulnerabilities, please refer to the
Security Update Guide.
Known issues in this update
[ADDED 7/11] KB4512816
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 (
KB4490628) 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
Windows Update and Microsoft Update - See the other options below.
Microsoft Update Catalog - To get the standalone package for this update, go to the
Microsoft Update Catalog website.
Windows Server Update Services (WSUS) - This update will automatically synchronize with WSUS if you configure Products and Classifications as follows:
Product: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1
Classification: Security Updates
File information
For a list of the files that are provided in this update, download the
file information for update 4507456.