Vulnerability in Apple macOS

CVE-2025-43340

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to break out of its sandbox.

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43340?
CVE-2025-43340 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 7.8/10. Published 2025-09-15.
How severe is CVE-2025-43340?
High severity. CVSS v3 base score is 7.8 out of 10.