SCHANNEL event 36887 is logged in the System event log with the description, "A fatal alert was received from the remote endpoint. "The request was aborted: Could not create SSL/TLS secure Channel" Lack of RFC support might cause one or more of the following errors or logged events: Windows might fail to connect to TLS clients and servers that do not support Extended Master Secret for resumption ( RFC 7627). This type of attack is known as a man-in-the-middle exploit. Updates for Windows released Octoor later provide protections, tracked by CVE-2019-1318, against an attack that could allow unauthorized access to information or data within TLS connections. Note This issue does not affect using a Microsoft Account during OOBE. This issue might affect you if you are using the IME for Chinese, Japanese, or Korean languages. When setting up a new Windows device during the Out of Box Experience (OOBE), you might be unable to create a local user when using Input Method Editor (IME). In some cases, Windows Mixed Reality Portal may report that the headset is sleeping and pressing “Wake up” may appear to produce no action. We are investigating reports that a small number of devices may startup to a black screen during the first logon after installing updates.Īfter installing this update, Windows Mixed Reality Portal users may intermittently receive a “15-5” error code. Select Get Started under the Reset this PC recovery option. Note If reinstalling the language pack does not mitigate the issue, reset your PC as follows:
Select Check for Updates and install the April 2019 Cumulative Update.
For instructions, see Manage the input and display language settings in Windows 10. Uninstall and reinstall any recently added language packs.
Microsoft is working on a resolution and will provide an update in an upcoming release.Īfter installing KB4493509, devices with some Asian language packs installed may receive the error, "0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND." Perform the operation from a node that doesn’t have CSV ownership. Perform the operation from a process that has administrator privilege. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege. Known issues in this updateĬertain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This doesn't apply to long-term servicing editions.
Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. Microsoft has released an update directly to the Windows Update client to improve reliability. If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.įor more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Security updates to Windows Shell, Internet Explorer, Microsoft Scripting Engine, Microsoft Edge, Windows App Platform and Frameworks, Windows Cryptography, Windows Authentication, Windows Kernel, and Windows Server.
EMS support has been available for all the supported versions of Windows since calendar year 2015 and is being incrementally enforced by the installation of the Octoand later monthly updates.Īddresses an issue with applications and printer drivers that utilize the Windows JavaScript engine ( jscript.dll) for processing print jobs.
This issue occurs while performing full Transport Layer Security (TLS) handshakes from devices that don’t support EMS, especially on servers. Key changes include:Īddresses an issue in the Keyboard Lockdown Subsystem that may not filter key input correctly.Īddresses an issue in security bulletin CVE-2019-1318 that may cause client or server computers that don’t support Extended Master Secret (EMS) RFC 7627 to have increased connection latency and CPU utilization. This security update includes quality improvements. Updates for verifying user names and passwords.
Updates to improve security when using Internet Explorer and Microsoft Edge.
For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.