A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.5. An app may be able to break out of its sandbox.
CVE ID: CVE-2025-31244
CVSS Base Severity: HIGH
CVSS Base Score: 8.8
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vendor: Apple
Product: macOS
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 3.32% (scored less or equal to compared to others)
EPSS Date: 2025-06-10 (when was this score calculated)