What is CVE-2026-20648?

CVE-2026-20648 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-2026-20648?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Apple Macos

CVE-2026-20648

A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

Vulnerability class: Information Disclosure

EPSS: 0.001 (2.8th 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-2026-20648?: CVE-2026-20648 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-2026-20648?: Medium severity. CVSS v3 base score is 5.5 out of 10.