CVE-2025-43321

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: 2025-09-15 · updated 2026-09-30
Weakness: CWE-284

Description

The issue was resolved by blocking unsigned services from launching on Intel Macs. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. An app may be able to access protected user data.

Affected products

Apple macOS: from 14.0 before 14.8; from 15.0 before 15.7 — fixed in 14.8, 15.7

How to fix

Upgrade to a fixed version: Apple macOS 14.8, 15.7. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125111
https://support.apple.com/en-us/125112
http://seclists.org/fulldisclosure/2025/Sep/53
http://seclists.org/fulldisclosure/2025/Sep/54
http://seclists.org/fulldisclosure/2025/Sep/55

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