Apple Media Codec Memory Corruption in iOS/macOS prior 26.5
CVE-2026-28956 Published on May 11, 2026

A memory corruption issue was addressed with improved input validation. This issue is fixed in 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 a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

NVD

Products Associated with CVE-2026-28956

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Apple iOS

Apple iPadOS

Apple macOS

Apple Macos Sonoma

Apple tvOS

Apple watchOS

Apple visionOS

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 26.5 is affected.

Apple macOS:

Before 14.8.7 is affected.
Before 15.7.7 is affected.
Before 26.5 is affected.

Apple tvOS:

Before 26.5 is affected.

Apple visionOS:

Before 26.5 is affected.

Apple watchOS:

Before 26.5 is affected.