CVE-2026-39869
Received Received - Intake
Memory Corruption in Apple iOS and macOS

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing an audio stream in a maliciously crafted media file may terminate the process.
CVSS Scores
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-05-12
AI Q&A
2026-05-12
EPSS Evaluated
N/A
NVD
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
apple ios 18.7.9
apple ipados 18.7.9
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7
apple macos_tahoe 26.5
apple tvos 26.5
apple visionos 26.5
apple watchos 26.5
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves improper memory handling when processing an audio stream in a maliciously crafted media file. Exploiting this flaw may cause the affected process to terminate unexpectedly.


How can this vulnerability impact me? :

The impact of this vulnerability is that processing a specially crafted media file could cause the application or process handling the audio stream to crash or terminate unexpectedly, potentially leading to denial of service.


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems as soon as possible.

  • Update iOS devices to iOS 18.7.9 or iOS 26.5.
  • Update iPadOS devices to iPadOS 18.7.9 or iPadOS 26.5.
  • Update macOS devices to macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, or macOS Tahoe 26.5.
  • Update tvOS devices to tvOS 26.5.
  • Update visionOS devices to visionOS 26.5.
  • Update watchOS devices to watchOS 26.5.

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