What is CVE-2026-64701?

CVE-2026-64701 is a high-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.8/10. Published 2026-09-14.

How severe is CVE-2026-64701?

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

Vulnerability in Apple macOS

CVE-2026-64701

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

Published 2026-09-14 · last modified 2026-09-15.

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 (3.9th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% 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

Weakness classification (CWE)

CWE-280 — Improper Handling of Insufficient Permissions or Privileges

References

support.apple.com/en-us/128067 (Release Notes, Vendor Advisory)
support.apple.com/en-us/128071 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-64701?: CVE-2026-64701 is a high-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.8/10. Published 2026-09-14.
How severe is CVE-2026-64701?: High severity. CVSS v3 base score is 7.8 out of 10.