Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
MacOS Tahoe 26.4: Unrestricted App Installation Risk
CVE-2026-20684
Summary
A fix was made in macOS version 26.4 to prevent an app from bypassing security checks. This means an app might be able to be installed on a Mac even if it shouldn't be. If you're using macOS 26.4, update to the latest version to stay secure.
Original title
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checks.
Original description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checks.
Published: 25 Mar 2026 · Updated: 25 Mar 2026 · First seen: 25 Mar 2026