A logic issue was addressed with improved checks. This issue is fixed in iTunes 12.12.4 for Windows. A local attacker may be able to elevate their privileges.
[
{
"vendor": "Apple",
"product": "iTunes for Windows",
"versions": [
{
"version": "unspecified",
"status": "affected",
"lessThan": "12.12.4",
"versionType": "custom"
}
]
}
]