Google has released Chrome 91.0.4472.114 for Windows, Mac, and Linux to fix four security vulnerabilities. One of them is a high severity zero-day vulnerability exploited in the wild. Google Chrome will automatically attempt to upgrade the browser the next time you launch the program, but you can perform a manual update by going to Settings > Help > ‘About Google Chrome’ Google says it is aware of the exploit for CVE-2021-30554, but it did not share info regarding these attacks.
Source: https://www.bleepingcomputer.com/news/security/google-fixes-seventh-chrome-zero-day-exploited-in-the-wild-this-year/