CVE-2025-43398

Kernel: An app may be able to cause unexpected system termination

CVE-2025-43398 is fixed in 3 products on 1 platform, first by Sequoia 15.7.2, released November 3, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

MEDIUM

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

9th percentile

The issue was addressed with improved memory handling.

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Sequoia	15.7.2	Sequoia 15.7.2	Nov 3, 2025
Sonoma	14.8.2	Sonoma 14.8.2	Nov 3, 2025
Tahoe	26.1	Tahoe 26.1	Nov 3, 2025

Details

Published
November 3, 2025
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://support.apple.com/en-us/125634

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