Google Chrome 66.0.3359.170: Google today a new fixed version of Chrome 66 browser in 66.0.3359.170. The new update is currently released to Linux, Mac and Windows users, and has come to fix some important security issues.
At this time, details of how to use the above vulnerabilities have not been announced by Google, which states:
"Access to bug details will remain restricted until the majority of users are informed."
So, everyone who uses Google's browser, it's a good idea to update as soon as possible to the new stable version. Chrome 66.0.3359.170 replaces Chrome 66.0.3359.139
If you are unable to update to the latest version Google states that "it will be released in the coming days / weeks".