Multiple issues were addressed with improved logic. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1, watchOS 7.1, tvOS 14.2. A sandboxed process may be able to circumvent sandbox restrictions.
Published April 2, 2021.
Apple Tvos
Apple watchOS
Apple Ipad OS
Apple Mac OS X
Apple iPhone OS