The KB4497936 update patches the new subclass of speculative execution side-channel vulnerabilities. These vulnerabilities are known as Microarchitectural Data Sampling. In addition to the security patches, this update also contains few other fixes and performance improvements. It is recommended that you install the update to patch the new vulnerabilities.
You can find the direct download links for KB4497936 down below.
Windows 10 can automatically download updates for you. You can also force Windows 10 to update. To do that, open the PC Settings app and go to Update & Security -> Windows Update. On the right panel, click on the Check for Updates button. Windows 10 will automatically download KB4497936 update and installs it.
If you've paused Windows 10 updates then use the below download links to download KB4497936 update for Windows 10.
KB4497936 Download Links
The below download links contains both 32-bit and 42-bit installers. Click on the download link based on your system type and the download start immediately. Once downloaded, you can install KB4497936 update like any other Windows software.
KB4497936 Change Log
- Provides protection against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 64-Bit (x64) versions of Windows (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions and Windows Server OS editions).
- Addresses an issue that decreases Internet Explorer’s performance when you use roaming profiles or you don't use the Microsoft Compatibility List.
- Addresses an issue that may cause the text, layout, or cell size to become narrower or wider than expected in Microsoft Excel when using the MS UI Gothic or MS PGothic fonts.
- Adds "gov.uk" to the HTTP Strict Transport Security Top Level Domains (HSTS TLD) for Internet Explorer and Microsoft Edge.
That is it.