What is CVE-2026-43819?

CVE-2026-43819 is a medium-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 5.5/10. Published 2026-07-27.

How severe is CVE-2026-43819?

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

Vulnerability in Apple Macos

CVE-2026-43819

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.6. An app may be able to access sensitive user data.

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-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-43819?: CVE-2026-43819 is a medium-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 5.5/10. Published 2026-07-27.
How severe is CVE-2026-43819?: Medium severity. CVSS v3 base score is 5.5 out of 10.