What are the updates to KB450327?

Microsoft launched another update on June 11th, launching the patch KB450327 for the win10 system. This patch update addresses a security vulnerability by intentionally blocking connections between Windows and unsecured Bluetooth devices that use known keys to encrypt connections (including secure FOBs), as well as fixes a number of other vulnerabilities. Friends can take a look at the editor's summary for the specific update content~

What has KB450327 updated

KB450327 Patch Improvement Hotfix

- Addresses a security vulnerability by intentionally blocking connections between Windows and insecure Bluetooth devices that use known keys to encrypt connections, including secure FOBs.

Your system is affected if BTHUSB Event 22 in Event Viewer indicates "Your Bluetooth device attempted to establish a debug connection...". Please contact the Bluetooth device manufacturer to determine if an update for the device is available.

- Addresses an issue that could prevent Internet Explorer 11 from opening when the default search provider is not set or is malformed.

- Microsoft Edge, Internet Explorer, Windows App Platform and Frameworks, Windows Input and Composition, Windows Media, Windows Shell, Windows Server, Windows Authentication, Windows Datacenter Networking, Windows Storage and Filesystems, Windows Virtualization, Internet Information Security updates for Services and Microsoft JET Database Engine.

KB450327 patch update known issues

● Symptom description one:

To files or files on a Cluster Shared Volume (CSV) Certain operations on a folder, such as renaming, may fail with the error "STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)". This occurs when operations are performed on the CSV owner node from a process that does not have administrator rights.

● Workaround:

Perform one of the following actions:

-Perform the action from a process with administrator privileges.

- Perform operations from a node that does not own the CSV.

● Symptom description two:

- When trying to expand, view, or create a "Custom View" in Event Viewer, you may receive Error i.e. "MMC detected an error in the snap-in and will uninstall it." and the application may stop responding or close.

You may also receive the same error when using Filter Current Log from the Actions menu with a built-in view or log.

The Event Viewer's built-in views and other features should work as expected.

● Workaround:

This issue is resolved in KB4503289.

● Symptom description three:

- After installing this update, the device may experience problems when connected to certain Storage Area Network (SAN) devices that use Internet Small Computer System Interface (iSCSI). Something went wrong.

You may also receive an error in the System log section of Event Viewer. The event ID for iScsiPrt is 43 and the description is "The target was unable to respond in time to the login request."

● Workaround:

This issue is resolved in KB4509476.

● Symptom description four:

- After installing this update and restarting, some devices with Hyper-V enabled may enter BitLocker recovery mode and receive error "0xC0210000".

● Workaround:

This issue is resolved in KB4507450.

More win10 patch related content:

What to do if KB4509476 fails to install>>>

What content has been updated by KB4509476>>>

How to solve KB4507450 installation failure>>>

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