CVE-2026-28983
Received Received - Intake
Type Confusion in Apple iOS and iPadOS

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
A type confusion issue was addressed with improved checks. 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. A remote attacker may be able to cause a denial of service.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-28983
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
apple ios to 18.7.9 (inc)
apple ipados to 18.7.9 (inc)
apple macos_tahoe to 26.5 (inc)
apple tvos to 26.5 (inc)
apple visionos to 26.5 (inc)
apple watchos to 26.5 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a type confusion issue that was addressed by implementing improved checks in affected Apple operating systems. Type confusion occurs when a program mistakenly treats a piece of memory as a different type than it actually is, which can lead to unexpected behavior.

In this case, the issue could allow a remote attacker to cause a denial of service on devices running the affected versions of iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS.

Impact Analysis

The primary impact of this vulnerability is that a remote attacker may be able to cause a denial of service on affected devices. This means that the attacker could potentially disrupt the normal operation of your device, causing it to crash or become unresponsive.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: 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, or watchOS 26.5.

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