Microsoft has been informed of the vulnerability - which is actively being exploited according to Google - and the company is working on making mitigations available, however none have been rolled out to Windows 7 users yet. Till such a time as they are available, Google recommends users update their OS to Windows 10 in order to inoculate against the exploit.Users are recommended to upgrade to Windows 10. As you may know, extended support for Windows 7 ends on January 14, 2020 so if you're still running Windows 7 it's definitely time to upgrade.
Via: Neowin