What is CVE-2026-20622?

CVE-2026-20622 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-03-25.

How severe is CVE-2026-20622?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple macOS

CVE-2026-20622

A privacy issue was addressed with improved handling of temporary files. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3. An app may be able to capture a user's screen.

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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)

Frequently asked questions

What is CVE-2026-20622?: CVE-2026-20622 is a high-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-03-25.
How severe is CVE-2026-20622?: High severity. CVSS v3 base score is 7.5 out of 10.