Out-of-Bounds Write Vulnerability in macOS Products by Apple
CVE-2026-86929

Currently unrated

Key Information:

Vendor

Apple

Status
Vendor
CVE Published:
26 October 2026

What is CVE-2026-86929?

An out-of-bounds write vulnerability was identified in certain macOS versions, caused by inadequate bounds checking. Exploitation of this issue could allow a malicious actor to execute arbitrary code by processing a specially crafted file. Users are advised to update their systems to the latest versions to mitigate potential security risks.

Affected Version(s)

macOS 0 < 15.8.2

macOS 0 < 26.7.2

macOS 0 < 27

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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