Race in image burner in Google Chrome on ChromeOS prior to 87.0.4280.66 allowed a remote attacker who had compromised the browser process to perform OS-level privilege escalation via a malicious file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-7988
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html