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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-05-11

Last Modified

2026-05-11

Generated

2026-07-11

AI Q&A

2026-05-12

EPSS Evaluated

2026-07-10

NVD

CVE-2026-28983

Affected Vendors & Products

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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

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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