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.
74
CVE-2026-84494
Out-of-bounds write in Apple OSes via a local app
- CVSS
- —
- EPSS
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- Published
- ·
- Modified
AI analysisSummaries by Vani AI
An out-of-bounds write in iOS, iPadOS, macOS Golden Gate, and visionOS lets an app cause unexpected system termination or write kernel memory. A local app triggers it; no further authentication or network access is described. Apple addressed it with improved bounds checking in the 27.2 releases of those systems.
What to do: Update to iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, and visionOS 27.2.
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS | — | 27.2 |
| Apple iPadOS | — | 27.2 |
| Apple macOS Golden Gate | — | 27.2 |
| Apple visionOS | — | 27.2 |
Estimated exposure
largeNo basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. An app may be able to cause unexpected system termination or write kernel memory.