A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006. A user who shares their screen may not be able to end screen sharing.
[
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "10.15",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]