CVE-2025-43478

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-04 · updated 2026-10-18
Weakness: CWE-416

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. An app may be able to cause unexpected system termination.

Affected products

Apple macOS: from 14.0 before 14.8.2; from 15.0 before 15.7.2 — fixed in 14.8.2, 15.7.2

How to fix

Upgrade to a fixed version: Apple macOS 14.8.2, 15.7.2. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125635
https://support.apple.com/en-us/125636

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