What is CVE-2026-64737?

CVE-2026-64737 is a high-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-07-27.

How severe is CVE-2026-64737?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Apple Macos

CVE-2026-64737

An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-64737?: CVE-2026-64737 is a high-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-07-27.
How severe is CVE-2026-64737?: High severity. CVSS v3 base score is 8.2 out of 10.