Today, Docker announced the release of Docker 18.09.2 that includes update fix to a privilege escalation vulnerability.
Docker recommends immediately applying the update to avoid any potential security threats on all production and development systems running on Windows, MacOS or Liunx systems.
Update Docker
To apply the fix on Windows Server run the command below:
Install-Package -Name Docker -ProviderName DockerMSFTProvider -Update -Force

After the installation restart the docker service using the PowerShell command below.
Restart-Service docker
To check the currenty Docker version installed run the following command:
Docker version
