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8.8 High

CVE-2026-86929 An out-of-bounds write issue was addressed with improved bounds checking

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.

Affected products and versions

Product Affected versions Fixed in
macOS 27 earliest → < 27 27
macOS 26.7 earliest → < 26.7.2 26.7.2
macOS 15.8 earliest → < 15.8.2 15.8.2

References

Timeline

  1. Published
  2. Last modified

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