This issue was addressed with improved redaction of sensitive information. This issue is fixed in iOS 17 and iPadOS 17. A person with physical access to a device may be able to use VoiceOver to access private calendar information.
[
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"version": "unspecified",
"status": "affected",
"lessThan": "17",
"versionType": "custom"
}
]
}
]