CVE-2026-28991
HighSummary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.
Risk Assessment
An app may be able to cause a denial-of-service, potentially disrupting system functionality.
Recommendation
It is recommended to update to the latest versions of the operating systems to mitigate the risk associated with this vulnerability.
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Original NVD description (English source)
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.

