An integer overflow that leads to a use-after-free in WebMIDI in Google Chrome on Windows prior to 73.0.3683.75 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.
https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop_12.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00085.html