An out-of-bounds write vulnerability was fixed by improving bounds checking in Apple operating systems. The flaw could lead to memory corruption when processing a maliciously crafted image. The issue is addressed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2.