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macOS Tahoe 26.4: Sensitive user data access
CVE-2026-28820
Summary
An issue in macOS Tahoe 26.4 could allow an app to access sensitive user data. This could be a concern for users who store confidential information on their Macs. To fix this issue, update to macOS Tahoe 26.4 or later.
Original title
This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.
Original description
This issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026