What is CVE-2025-43409?

CVE-2025-43409 is a medium-severity vulnerability in Apple macOS, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 5.5/10. Published 2025-11-04.

How severe is CVE-2025-43409?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple macOS

CVE-2025-43409

A permissions issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to access sensitive user data.

Published 2025-11-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

support.apple.com/en-us/125634
support.apple.com/en-us/125635 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43409?: CVE-2025-43409 is a medium-severity vulnerability in Apple macOS, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 5.5/10. Published 2025-11-04.
How severe is CVE-2025-43409?: Medium severity. CVSS v3 base score is 5.5 out of 10.