Google today released version 88.0.4324.150 of the Chrome browser for Windows, Mac and Linux. THE current release contains only one fix for one vulnerability zero-day already in use.
The zero-day, assigned the identifier CVE-2021-21148, is described as a bug μνήμης “heap overflow” στην V8 JavaScript engine.
Google reports that the bug is already being used in attacks and that the researcher security Mattias Buelens reported the issue on January 24th.
Two days after the Buelens report, Google's security team released a report on attacks by North Korean hackers against a cyber security community.
Some of these attacks were trying to lure security researchers to a blog where intruders were taking advantage of the browser's zero-day to run malware on investigators' systems.
As you can see, it is recommended that you immediately upgrade to Google Browser.