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Apple Operating Systems CVE-2026-28983

| EUVD-2026-29278 HIGH
Access of Resource Using Incompatible Type (Type Confusion) (CWE-843)
2026-05-11 apple GHSA-36h7-c8f4-vc3p
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
May 12, 2026 - 18:24 vuln.today
CVSS changed
May 12, 2026 - 18:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:18 EUVD
CVE Published
May 11, 2026 - 20:08 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:08 nvd
HIGH 7.5

DescriptionNVD

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.

AnalysisAI

Type confusion vulnerability in Apple's operating systems allows remote unauthenticated attackers to trigger denial of service across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Apple has released patches addressing the issue in iOS/iPadOS 18.7.9 and 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. …

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RemediationAI

Within 24 hours: inventory all Apple devices across your environment (iOS, iPadOS, macOS, tvOS, visionOS, watchOS) and identify which require patching. Within 7 days: deploy vendor patches-iOS/iPadOS 18.7.9 or 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5-using your mobile device management (MDM) solution for iOS/iPadOS and macOS, and manual updates for other platforms. …

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CVE-2026-28983 vulnerability details – vuln.today

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