CVE-2025-43189

CRITICAL

Published Jul 30, 2025 Modified Nov 3, 2025 CWE-200

Description

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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
apple	macos	< 14.7.7
apple	macos	15.0 — 15.6

References

Advisories & Patches

https://support.apple.com/en-us/124149 https://support.apple.com/en-us/124150

Other References

http://seclists.org/fulldisclosure/2025/Jul/32 http://seclists.org/fulldisclosure/2025/Jul/33

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-43189? +

CVE-2025-43189 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-43189? +

CVE-2025-43189 affects products from apple, specifically: macos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43189? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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