What is CVE-2025-43524?

CVE-2025-43524 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-05-12.

How severe is CVE-2025-43524?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Apple macOS

CVE-2025-43524

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.2. An app may be able to break out of its sandbox.

Published 2026-05-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Apple macOS
Apple macOS Sequoia — versions unspecified, 0
Apple macOS Sonoma — versions unspecified, 0
Apple macOS Tahoe — versions unspecified, 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

support.apple.com/en-us/125886 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43524?: CVE-2025-43524 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-05-12.
How severe is CVE-2025-43524?: High severity. CVSS v3 base score is 8.8 out of 10.