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Sandbox Escape in macOS Tahoe 26.4
CVE-2026-28826
Summary
A security issue was fixed in macOS Tahoe 26.4 that could have allowed a malicious app to bypass its security restrictions. This could have potentially allowed the app to access and modify sensitive data on the system. Apple has released a software update to fix this issue, so it's essential to apply the update to ensure your system is secure.
Original title
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to break out of its sandbox.
Original description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Tahoe 26.4. A malicious app may be able to break out of its sandbox.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026