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. https://www.onmsft.com/news/microsoft-releases-june-patch-tuesday-updates-for-windows-version-1903-and-older-heres-whats-new
blog article
MICROSOFT RELEASES JUNE PATCH TUESDAY UPDATES FOR WINDOWS VERSION 1903 AND OLDER, HERE’S WHAT’S NEW
Addresses a security vulnerability by intentionally preventing connections between Windows and Bluetooth devices that are not secure and use well-known keys to encrypt connections, including security fobs. If BTHUSB Event 22 in the Event Viewer states, Your Bluetooth device attempted to establish a debug connection, then your system is affected. Contact your Bluetooth device manufacturer to determine if a device update exists. For more information, see CVE-2019-2102 and KB4507623.Security updates to Windows Virtualization, Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Windows Input and Composition, Windows Media, Windows Shell, Windows Server, Windows Authentication, Windows Cryptography, Windows Storage and Filesystems, Windows SQL Components, the Microsoft JET Database Engine, and Internet Information Services. READ MORE