Don’t know if it’s a bug related to Chrome and Edge or something wrong with the HTML, but the context menu for audio controls always open attached to the latest control.
The red circle in the image shows where the user clicks.
<html>
<head>
<title>TEST</title>
</head>
<body>
<audio controls>
<source src="horse.ogg" type="audio/ogg">
</audio>
<audio controls>
<source src="horse.ogg" type="audio/ogg">
</audio>
</body>
</html>
At the moment I’m running the latest Chrome version.