CVE-2026-28952
Received Received - Intake
Integer Overflow in Apple iOS and macOS Systems

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system 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-2026-28952
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
apple ios 18.7.9
apple ipad_os 18.7.9
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7
apple macos_tahoe 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 integer overflow issue that was addressed by improving input validation. An integer overflow occurs when a calculation exceeds the maximum size that can be stored in an integer variable, potentially leading to unexpected behavior.

In this case, the vulnerability could allow an application to cause unexpected system termination on affected Apple operating systems such as iOS, iPadOS, and various versions of macOS.

Impact Analysis

This vulnerability can impact you by allowing an application to cause unexpected system termination, which may lead to system instability or denial of service on affected devices.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems.

  • Update iOS devices to iOS 18.7.9.
  • Update iPadOS devices to iPadOS 18.7.9.
  • Update macOS devices to one of the following versions depending on your system: macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, or macOS Tahoe 26.5.
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