This issue was addressed with improved checks. This issue is fixed in iOS 15.4 and iPadOS 15.4, macOS Monterey 12.3. A user may send audio and video in a FaceTime call without knowing that they have done so.
[
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"version": "unspecified",
"lessThan": "15.4",
"status": "affected",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "unspecified",
"lessThan": "12.3",
"status": "affected",
"versionType": "custom"
}
]
}
]