Bluetooth — Apple
Apple widened a previously known macOS Bluetooth authorization bypass to five more operating-system families.
A local app could access Bluetooth without authorization; fixes are available, but no public demonstration is held.
Sources
ResearchAbout the security content of iOS 27 and iPadOS 27 - Apple SupportResearchAbout the security content of macOS Golden Gate 27 - Apple SupportResearchAbout the security content of tvOS 27 - Apple SupportResearchAcerca del contenido de seguridad de visionOS 27 - Soporte técnico de AppleResearchAbout the security content of watchOS 27 - Apple Support