What is CVE-2025-43189?

CVE-2025-43189 is a critical-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-07-30.

How severe is CVE-2025-43189?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Apple macOS

CVE-2025-43189

This issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7. A malicious app may be able to read kernel memory.

Vulnerability class: Information Disclosure

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
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af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-43189?: CVE-2025-43189 is a critical-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-07-30.
How severe is CVE-2025-43189?: Critical severity. CVSS v3 base score is 9.8 out of 10.