Microsoft today released a new Windows 10 Mobile cumulative update Build 14393.2007 (10.0.14393.2007) to everyone on Anniversary update. As expected this cumulative update doesn’t bring anything new in terms of changes and features. It brings fixes for the recent Spectre and Meltdown vulnerabilities that affect even ARM processors. Read the full changelog below.
You can check the update availability by going to Settings–>Update & Security–>Windows update–>Check for updates.
Improvements and fixes
This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Security updates to Microsoft Edge, Internet Explorer, Windows Graphics, Windows Kernel, Windows Datacenter Networking, and Windows SMB Server.
Note This update isn’t available with express installation files for Windows Server 2016.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.
Known issues in this update
|When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.|
When calling CoInitializeSecurity, the call may fail when passing RPC_C_AUTHN_LEVEL_NONE as the authentication level. The error returned on failure is STATUS_BAD_IMPERSONATION_LEVEL.
|Change the authentication level parameter to RPC_C_AUTHN_LEVEL_CALL.|
Microsoft is working on a resolution and will provide an update in an upcoming release.
|Due to an issue with some versions of Anti-Virus software, this fix is only being made applicable to the machines where the Anti virus ISV has updated the ALLOW REGKEY.|
Contact your Anti-Virus AV to confirm that their software is compatible and have set the following REGKEY on the machine