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

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

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.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

product-security@apple.com (Vendor Advisory)
product-security@apple.com (Vendor Advisory)
product-security@apple.com (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.