CVE-2026-28864
Improper Permissions Allows Local Keychain Access on Apple OS
Publication date: 2026-03-25
Last updated on: 2026-03-25
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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.