CVE-2026-28864
Received Received - Intake
Improper Permissions Allows Local Keychain Access on Apple OS

Publication date: 2026-03-25

Last updated on: 2026-03-25

Assigner: Apple Inc.

Description
This issue was addressed with improved permissions checking. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A local attacker may gain access to user's Keychain items.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-25
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28864
EUVD
EUVD-2026-15141
Affected Vendors & Products
Showing 9 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.5 (exc)
apple macos From 15.0 (inc) to 15.7.5 (exc)
apple macos From 26.0 (inc) to 26.4 (exc)
apple ipados to 18.7.7 (exc)
apple ipados From 26.0 (inc) to 26.4 (exc)
apple iphone_os to 18.7.7 (exc)
apple iphone_os From 26.0 (inc) to 26.4 (exc)
apple visionos to 26.4 (exc)
apple watchos to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
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Executive Summary

This vulnerability involves insufficient permissions checking that could allow a local attacker to gain access to a user's Keychain items.

The issue has been addressed and fixed in various Apple operating system versions including iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4, and watchOS 26.4.

Impact Analysis

A local attacker exploiting this vulnerability may gain unauthorized access to your Keychain items, which can include sensitive information such as passwords, certificates, and other secure data stored by the user.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

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

  • Update iOS devices to iOS 18.7.7 or iOS 26.4.
  • Update iPadOS devices to iPadOS 18.7.7 or iPadOS 26.4.
  • Update macOS devices to macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4.
  • Update visionOS devices to version 26.4.
  • Update watchOS devices to version 26.4.
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