January 3, 2018—KB4056892 (OS Build 16299.192)

How to get this update
This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.


最終更新日: 2018/01/04

Windows Update ではまだ来ない
来るまで待つ
追記

Value Name="cadca5fe-87d3-4b96-b7fb-a231484277cc"

これ記述ミスじゃなくてほんとか?

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat\cadca5fe-87d3-4b96-b7fb-a231484277cc
@=dword:00000000
だぞ
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat
"cadca5fe-87d3-4b96-b7fb-a231484277cc"=dword:00000000
にしろだと?

1/5 追記
たかちゃん★ さん お知らせありがとうございます。
Important information regarding the Windows security updates released on January 3, 2018 and anti-virus software
こっちも

Note: Customers will not receive these security updates and will not be protected from security vulnerabilities unless their anti-virus software vendor sets the following registry key:


Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat" Value="cadca5fe-87d3-4b96-b7fb-a231484277cc" Type="REG_DWORD”

さらに追記
Is KAV / KIS 18.0.0.405f working with Windows 10 new patch for Meltdown / Spectre bugs? - Kaspersky Lab FORUM

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat
"cadca5fe-87d3-4b96-b7fb-a231484277cc"=dword:00000000


HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat\cadca5fe-87d3-4b96-b7fb-a231484277cc
@=dword:00000000

しれっとレジストリ追加しやんの
さて再起動してみっか