High
Google has released Chrome 86.0.4240.111 to the Stable desktop channel to address five security vulnerabilities, one of which is an actively exploited zero-day bug. Google is aware of reports that an exploit for CVE-2020-15999 exists in the wild. Google also fixed three other high severity security vulnerabilities and a medium severity flaw in Chrome 86.0.4240.111:
• CVE-2020-16000: Inappropriate implementation in Blink
• CVE-2020-16001: Use after free in media
• CVE-2020-16002: Use after free in PDFium
• CVE-2020-16003: Use after free in printing
Google Chrome versions prior to 86.0.4240.111
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop_20.html