Apple October 2026 updates patch 304 flaws, including prior exploit
Already exploited CoreGraphics flaw CVE-2026-86950 now gets iOS 18 fixes; no newly exploited bug is flagged.
Out-of-bounds write in Apple OS via a local app
Apple fixed an out-of-bounds write in several operating systems by improving input validation. A local app can trigger it and cause unexpected system termination or corrupt process memory. Users of affected iOS, iPadOS, macOS, and visionOS releases are affected. Apple has not listed the vulnerable build ranges.
What to do: Update to iOS/iPadOS 26.7.2 or 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, 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 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 was addressed with improved input validation. 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, visionOS 27.2. An app may be able to cause unexpected system termination or corrupt process memory.
Already exploited CoreGraphics flaw CVE-2026-86950 now gets iOS 18 fixes; no newly exploited bug is flagged.
The release addresses memory corruption, sandbox escape, kernel writes, and unauthorized access to sensitive user data across many components.
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