The Tuesday patch of June 2018 gives birth to several new cumulative updates including KB4284819. It is designed for PCs running Windows 10 Fall Creators Update.
Its installation upgrades Fall Creators Update to version 16299.492. Its cumulative nature allows you to update your system in a single operation. It makes the latest corrections and fixes while proposing previous improvements published.
Windows 10 FCU and KB4284819, security and bug fixes
In detail, KB4284819 fixes several vulnerabilities. They concern the OS, some of its components and native applications. Patches are targeted at Microsoft Edge and Internet Explorer browsers, the scripting engine, the Windows kernel and other operating system components. The release note also mentions additional mitigation measures for the Meltdown and Spectre bugs.
Note that all this small world is also proposed by other cumulative updates targeting different versions of Windows 10.
Microsoft offers several general improvements in the form of bug fixes. You will find the details at the end of the article. The Edge browser should no longer have problems responding to XML requests and Internet Explorer should be able to use an updated version of the localization services.
At the moment we are not aware of any installation problems. Caution is nevertheless necessary, knowing that we are in the first hours of its deployment.
KB4284819, release note
- Provides protection from an additional subclass Speculative Store Bypass (CVE-2018-3639). These protections are not enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use this guidance document to enable mitigations for Speculative Store Bypass (CVE-2018-3639) in addition to the mitigations that have already been released for Specter Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).
- Includes additional performance improvements.
- Addresses an issue in Microsoft Edge that causes incorrect responses to XML requests.
- Adds support for the SameSite standard web cookie to Microsoft Edge and Internet Explorer.
- Addresses an issue with Internet Explorer that prevents it from using an updated version of location services.
- Addresses an issue where firmware updates to BitLocker recovery mode when BitLocker is enabled, but Secure Boot is disabled or not present. This update prevents firmware from installing on devices in this state. Administrators can install firmware updates by:
- Temporarily suspending BitLocker.
- Instantly installing firmware updates before the next OS startup.
- Immediately restarting the device so that BitLocker does not remain in the suspended state.
- Security updates to Internet Explorer, Microsoft Edge, Windows scripting engine, Windows Desktop Bridge, Windows apps, Windows shell, Windows storage and filesystems, Windows Windows platform and frameworks, Windows virtualization and kernel, Windows wireless networking, and Windows Server.