A race condition was addressed with additional validation. This issue affected versions prior toiVersions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.Referenceshttps://support.apple.com/kb/HT208933https://support.apple.com/kb/HT208938https://support.apple.com/kb/HT208935https://support.apple.com/kb/HT208936https://support.apple.com/kb/HT208934https://support.apple.com/kb/HT208932
