What is CVE-2025-43257?

CVE-2025-43257 is a high-severity vulnerability in Apple Macos, classified under Improper Link Resolution Before File Access. CVSS score: 8.7/10. Published 2026-04-02.

How severe is CVE-2025-43257?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Apple Macos

CVE-2025-43257

This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.6. 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 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43257?: CVE-2025-43257 is a high-severity vulnerability in Apple Macos, classified under Improper Link Resolution Before File Access. CVSS score: 8.7/10. Published 2026-04-02.
How severe is CVE-2025-43257?: High severity. CVSS v3 base score is 8.7 out of 10.