For more information and steps to enable full protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.Īddresses an issue that incorrectly renders some Enhanced Metafile Format (EMF) files. Removes support for the PerformTicketSignature setting and permanently enables Enforcement mode for CVE-2020-17049. This security update includes quality improvements. Updates to improve security when Windows performs basic operations. Updates for verifying usernames and passwords. Updates to remove Adobe Flash from your device. To view other notes and messages, see the Windows 10, version 1607 update history home page. For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types.