CVE-2026-64774
Received Received - Intake

Integer Overflow in Apple iOS and macOS Systems

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-64774
EUVD
EUVD-2026-49483

Affected Vendors & Products

Showing 7 associated CPEs
Vendor Product Version / Range
apple ios 26.6
apple ipad_os 26.6
apple macos_sequoia 15.7.8
apple macos_sonoma 14.8.8
apple macos_tahoe 26.6
apple tv_os 26.6
apple vision_os 26.6

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 caused by insufficient input validation. It can lead to unexpected application termination or heap corruption, potentially allowing a remote attacker to cause system instability.

Impact Analysis

The impact includes unexpected crashes of applications or system services, potential data corruption, and possible remote code execution if exploited. Users of affected Apple devices may experience disruptions.

Mitigation Strategies

Update affected systems to the latest patched versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, or visionOS 26.6.

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