CVE-2026-28920
Received Received - Intake
Information Leakage in Apple iOS and macOS

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: Apple Inc.

Description
An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Visiting a maliciously crafted website may leak sensitive data.
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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-2026-28920
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
apple ios 18.7.9
apple ipados 18.7.9
apple macos_sequoia 15.7.7
apple macos_sonoma 14.8.7
apple macos_tahoe 26.5
apple tvos 26.5
apple visionos 26.5
apple watchos 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 involves information leakage that occurs when a user visits a maliciously crafted website. The issue was addressed by adding additional validation to prevent sensitive data from being exposed.

Impact Analysis

If exploited, this vulnerability could lead to the leakage of sensitive data from your device when visiting a malicious website. This could compromise your personal or confidential information.

Mitigation Strategies

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

  • Update iOS devices to iOS 18.7.9 or iOS 26.5.
  • Update iPadOS devices to iPadOS 18.7.9 or iPadOS 26.5.
  • Update macOS devices to macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, or macOS Tahoe 26.5.
  • Update tvOS devices to tvOS 26.5.
  • Update visionOS devices to visionOS 26.5.
  • Update watchOS devices to watchOS 26.5.

Avoid visiting maliciously crafted websites that could exploit this information leakage vulnerability until updates are applied.

Compliance Impact

This vulnerability involves information leakage through visiting a maliciously crafted website, which may result in sensitive data being exposed.

Information leakage vulnerabilities can potentially impact compliance with data protection regulations such as GDPR and HIPAA, as these standards require the protection of sensitive personal and health information from unauthorized disclosure.

However, the provided information does not specify the exact nature or scope of the leaked data, nor does it detail the compliance implications explicitly.

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