Releasing Windows 10 Build 19043.867 (21H1) to Beta Channel

Skip to main content Hello Windows Insiders, today we're releasing 21H1 Build 19043.867 (KB5000802) the Beta Channel for those Insiders who are on 21H1 ( Click here for the 21H1 announcement) This security update includes quality improvements. Key changes include: We fixed an elevation of privilege security vulnerability documented in CVE-2021-1640 related to print jobs submitted to "FILE:" ports.