What is CVE-2025-43306?

CVE-2025-43306 is a high-severity vulnerability in Apple macOS, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-05-26.

How severe is CVE-2025-43306?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in Apple macOS

CVE-2025-43306

A logic issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. A malicious app may be able to gain root privileges.

Vulnerability class: Privilege Escalation

Published 2026-05-26 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

support.apple.com/en-us/125110 (Vendor Advisory)
support.apple.com/en-us/125111 (Vendor Advisory)
support.apple.com/en-us/125112 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-43306?: CVE-2025-43306 is a high-severity vulnerability in Apple macOS, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-05-26.
How severe is CVE-2025-43306?: High severity. CVSS v3 base score is 7.8 out of 10.