January 3, 2018—KB4056890 (OS Build 14393.2007)
Applies To
Windows 10, version 1607, all editionsWindows Server 2016, all editionsWindows 10 Mobile, released in August 2016
Release Date:
1/3/2018
Version:
OS Build 14393.2007
Note The release also contains updates for Windows 10 Mobile (OS Build 14393.2007) released on January 5, 2018
This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
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.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Windows Update Client Improvement
Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability. It will only be offered to devices that have't installed the most recent updates.
| | | | --- | --- | | Symptom | Workaround | | When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.<br>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. | This issue is resolved in KB4057142. | | Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY. | This issue is resolved in...
2007