Apple OSes: OOB Read DoS Before 26.5 (Fixed in 26.5)
CVE-2026-28991 Published on May 11, 2026
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.
Products Associated with CVE-2026-28991
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Affected Versions
Apple iOS and iPadOS:- Before 26.5 is affected.
- Before 26.5 is affected.
- Before 26.5 is affected.
- Before 26.5 is affected.
- Before 26.5 is affected.