CVE-2026-86942: Apple iOS out-of-bounds read in Accelerate Framework

CVE-2026-86942 · Severity: info · Published 2026-10-26

iOS and iPadOS include a framework for image and signal processing that is used by apps on iPhones and iPads. An out-of-bounds read vulnerability in this framework could allow a malicious app or maliciously crafted image to cause the app to crash, resulting in denial of service to users.

Technologies: Apple Ios, Apple iPadOS, Apple macOS Golden Gate, Apple macOS Sequoia, Apple Visionos. Vendors: Apple.

Quick answers

Is CVE-2026-86942 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-86942 being exploited in the wild.
How severe is CVE-2026-86942?
Informational severity, published 26 October 2026.
Which products and versions are affected?
Apple Ios before 27, before 26.7.2; Apple iPadOS before 27, before 26.7.2; Apple macOS Golden Gate before 27; Apple macOS Sequoia before 15.8.2; and 2 more.
Is there a fix for CVE-2026-86942?
Yes: fixed in iOS 27, iPadOS 27, iOS 26.7.2, iPadOS 26.7.2, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-86942 attacked?
It is attacked over the network or with local access, in an operating system.
Am I affected by CVE-2026-86942?
Check whether you run Apple Ios, Apple iPadOS, Apple macOS Golden Gate or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: iOS 27, iPadOS 27, iOS 26.7.2, iPadOS 26.7.2, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27

Technical details

An out-of-bounds read in the Accelerate Framework can be triggered by processing a maliciously crafted image. The vulnerability is addressed through improved bounds checking. An app may cause unexpected process termination (denial of service); no privilege escalation or data exposure is indicated.

Affected products

  • Apple iOS before 27, before 26.7.2
  • Apple iPadOS before 27, before 26.7.2
  • Apple macOS Golden Gate before 27
  • Apple macOS Sequoia before 15.8.2
  • Apple macOS Tahoe before 26.7.2
  • Apple visionOS before 27

Timeline

  • 2026-10-26: disclosed

References

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