Apple iOS 27.2 fixes 163 flaws, including critical WebKit RCE
The release addresses memory corruption, sandbox escape, kernel writes, and unauthorized access to sensitive user data across many components.
Out-of-bounds write lets an app corrupt Apple kernel memory
Apple fixed an out-of-bounds write with tighter bounds checking in iOS, iPadOS, macOS, tvOS, and visionOS. A local app can trigger it and cause unexpected system termination or corrupt kernel memory. Devices still on releases before the listed fixes are affected. No remote, unauthenticated trigger is described.
What to do: Install iOS/iPadOS 26.7.2 or 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, or visionOS 27.2.
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS | — | 26.7.2, 27.2 |
| Apple iPadOS | — | 26.7.2, 27.2 |
| Apple macOS Golden Gate | — | 27.2 |
| Apple macOS Sequoia | — | 15.8.2 |
| Apple macOS Tahoe | — | 26.7.2 |
| Apple tvOS | — | 27.2 |
| Apple visionOS | — | 27.2 |
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.
The release addresses memory corruption, sandbox escape, kernel writes, and unauthorized access to sensitive user data across many components.
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