Information disclosure in Apple Macos

CVE-2026-20647

This issue was addressed with improved data protection. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

Vulnerability class: Information Disclosure

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-20647?: CVE-2026-20647 is a medium-severity vulnerability in Apple Macos, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-02-11.
How severe is CVE-2026-20647?: Medium severity. CVSS v3 base score is 5.5 out of 10.