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 allows remote DoS or memory leak
An out-of-bounds read in macOS was fixed with improved bounds checking. A remote attacker can trigger it to cause a denial of service or disclose process memory. It is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2. Apple has not listed the affected builds.
What to do: Update to macOS Golden Gate 27.2, macOS Sequoia 15.8.2, or macOS Tahoe 26.7.2.
| 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. A remote attacker may be able to cause a denial-of-service or disclose process memory.
Already exploited CoreGraphics flaw CVE-2026-86950 now gets iOS 18 fixes; no newly exploited bug is flagged.
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