Jun. 14, 2022 / Updated by Bessie Shaw to News
Los Angeles, Calif. - June 12th, 2019 - Microsoft released the latest cumulative update (LCU), Monthly Rollups and security updates for all supported versions of Windows including Windows 10 May 2019 Update (version 1903) and Windows 10 October 2018 Update (version 1809) on June 11, 2019. Unfortunately, some of the released updates are reported to cause certain Bluetooth devices to fail to pair or connect. What the hell is going on?
According to Microsoft, Windows users may experience issues pairing, connecting or using certain Bluetooth devices after installing security updates released on June 11, 2019. These security updates address a security vulnerability by intentionally preventing connections from Windows to unsecure Bluetooth devices. Any device using well-known keys to encrypt connections may be affected, including certain security fobs.
The following updates are affected this time:
KB4503293 or later LCU for Windows 10 version 1903
KB4503327 or later LCU for Windows 10 version 1809 and Windows Server 2019
KB4503286 or later LCU for Windows 10 version 1803
KB4503284 or later LCU for Windows 10 version 1709
KB4503279 or later LCU for Windows 10 version 1703
KB4503267 or later LCU for Windows 10 version 1607 and Windows Server 2016
KB4503291 or later LCU for Windows 10 version 1507
KB4503276 or later Monthly Rollup for Windows 8.1 and Windows Server 2012 R2
KB4503285 or later Monthly Rollup for Windows Server 2012 and Windows Embedded 8 Standard
KB4503290 security update for Windows 8.1 and Windows Server 2012 R2
KB4503263 security update for Windows Server 2012 and Windows Embedded 8 Standard
To verify if your Bluetooth device is affected, you can follow the steps below to check the Event Log.
Step 1. Enter the Event Viewer via Start Menu.
Step 2. Navigate to Windows Logs > System.
Step 3. Locate the following event:
If you can see this event there, that means your Bluetooth device is affected.
If you are experiencing Bluetooth devices connecting, pairing or using issue after installing any of the affected security updates above, you’d better contact the manufacturer of your Bluetooth device to determine if there is a device update.
You may also like to check out:
Fix Bluetooth Not Available after Windows 10 Creators Update
Free Download, Update Bluetooth Driver for Windows 10/8/7/XP/Vista
Hope the solution will come out soon. Though Windows June 2019 updates released on the Patch Tuesday have led to some problems, there are still some security improvements. You can download and install them by checking for updates. For more information about Windows updates, please visit the Windows News section on this site.
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