If you are using Windows Update, the latest SSU ( KB4521863) will be offered to you automatically. For more information, see Servicing stack updates. SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). The TLS protocol defined fatal alert code is 20." 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). 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 Edge, Windows App Platform and Frameworks, Windows Cryptography, Windows Authentication, Windows Storage and Filesystems, Windows Kernel, Microsoft Scripting Engine, 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 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.
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