Sensitive data access via authorization/state management flaw in macOS Tahoe (fixed in 26.3)
Information is currently not available beyond the vendor advisory summary. The provided content states that CVE-2026-20666 is an authorization issue addressed with improved state management and fixed in macOS Tahoe 26.3, where an application may be able to access sensitive user data. No additional technical details (affected component, vulnerable functions, attack path, or root cause specifics) are included in the provided material.
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Exploits
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Cross-references every affected SKU, including bundled OEM variants.
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