

When installing this update, users may receive the error, "0x800f081f - CBS_E_SOURCE_MISSING." Microsoft is working on a resolution and will provide an update in an upcoming release.Īfter installing the update, some gov.uk websites that don’t support HTTP Strict Transport Security (HSTS) may not be accessible through Internet Explorer 11 or Microsoft Edge. Use the credentials of a local admin to create and set the following registry keys on the Host OS then restart the Host:

Known issues in this updateĪfter installing this update, users may experience error “0x800705b4” when launching Windows Defender Application Guard or Windows Sandbox. Note: After installation, the OS build will be 18362.113. (These registry settings are enabled by default for Windows Client OS editions and Windows Server OS editions).Īddresses an issue that decreases Internet Explorer’s performance when you use roaming profiles or you don't use the Microsoft Compatibility List.Īddresses 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.Īdds "gov.uk" to the HTTP Strict Transport Security Top Level Domains (HSTS TLD) for Internet Explorer and Microsoft Edge. Use the registry settings as described in the Windows Client and Windows Server articles. Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 64-Bit (圆4) versions of Windows ( CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). This update also includes updates that come as part of the normal monthly release cycle. Key changes include:

Microsoft released a new cumulative update to Window Insider program Slow, Fast and Release Preview rings. If you have updated to Build 18356.30 or a later build – your device will be offered this build.
