Apple WebKit MemCorrupt Crash (CVE-2026-28904) fixed iOS 18.7.9+
CVE-2026-28904 Published on May 11, 2026

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 Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.

NVD

Products Associated with CVE-2026-28904

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Apple iOS

Apple iPadOS

Apple macOS

Apple tvOS

Apple watchOS

Apple visionOS

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 18.7.9 is affected.
Before 26.5 is affected.

Apple macOS:

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.