EUVD-2026-29221
GHSA-6p6x-vh8j-jf65
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
5DescriptionNVD
The issue was addressed with improved input validation. 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, tvOS 26.4, visionOS 26.4, watchOS 26.4. A local attacker may be able to modify the state of the Keychain.
AnalysisAI
Local attackers can modify Apple Keychain state across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS due to improper input validation (CWE-20). This affects all Apple operating systems prior to their respective April 2026 security updates. …
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RemediationAI
Within 24 hours: Inventory all Apple devices in your environment and their current OS versions. Within 7 days: Deploy Apple's April 2026 security updates across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS-prioritize macOS and iOS devices used for enterprise access. …
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External POC / Exploit Code
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