An out-of-bounds write vulnerability was fixed by improved input validation in multiple Apple operating systems. The flaw could allow an app to cause unexpected system termination or corrupt kernel memory. The issue is resolved in iOS 26.7.2 and 27.2, iPadOS 26.7.2 and 27.2, and macOS Golden Gate 27.2, Sequoia 15.8.2, and Tahoe 26.7.2.