Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
macOS: Unpatched Versions at Risk of App Sandbox Escape
CVE-2026-28891
Summary
macOS versions older than 15.7.5, 14.8.5, and 26.4 are exposed to a risk where an app could potentially break out of its security restrictions. If exploited, this could allow unauthorized access to sensitive data. Update to the latest version to address this issue.
Original title
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
Original description
A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026