Apple Keychain Local Access via Permission Bypass (iOS 18.7.7, macOS 15.7.5)
CVE-2026-28864 Published on March 25, 2026
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.
Vulnerability Analysis
CVE-2026-28864 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-28864 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-28864
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Affected Versions
Apple iOS and iPadOS:- Before 18.7.7 is affected.
- Before 26.4 is affected.
- Before 14.8.5 is affected.
- Before 15.7.5 is affected.
- Before 26.4 is affected.
- Before 26.4 is affected.
- Before 26.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.