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 read in macOS via a local app
An out-of-bounds read in macOS was fixed with improved bounds checking. A local app may trigger it and cause unexpected system termination or read kernel memory. Apple fixed it in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2. Users of those macOS lines before those releases are affected.
What to do: Install macOS Golden Gate 27.2, Sequoia 15.8.2, or Tahoe 26.7.2, matching the installed release.
| Product | Affected | Fixed in |
|---|---|---|
| Apple macOS Golden Gate | — | 27.2 |
| Apple macOS Sequoia | — | 15.8.2 |
| Apple macOS Tahoe | — | 26.7.2 |
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 read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or read kernel memory.
Already exploited CoreGraphics flaw CVE-2026-86950 now gets iOS 18 fixes; no newly exploited bug is flagged.
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