CVE-2026-28918
Received Received - Intake
Out-of-Bounds Access in iOS and macOS via Malicious File Parsing

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
An out-of-bounds access issue 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. Parsing a maliciously crafted file may lead to an unexpected app termination.
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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-2026-28918
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
apple ios 26.5
apple ipad_os 26.5
apple macos_tahoe 26.5
apple tv_os 26.5
apple vision_os 26.5
apple watch_os 26.5
Helpful Resources
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 an out-of-bounds access issue that occurs when parsing a maliciously crafted file. It happens because of insufficient bounds checking, which means the software reads data outside the intended memory area.

This issue has been fixed in several Apple operating systems including iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5.

If exploited, it may cause an unexpected app termination.

Impact Analysis

The primary impact of this vulnerability is that parsing a maliciously crafted file can cause an app to terminate unexpectedly.

This could lead to denial of service for the affected application, potentially disrupting normal use.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, or watchOS 26.5.

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