What is CVE-2026-43759?

CVE-2026-43759 is a medium-severity vulnerability in Apple Macos, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-07-27.

How severe is CVE-2026-43759?

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

Information disclosure in Apple Macos

CVE-2026-43759

An authorization issue was addressed with improved state management. This issue is fixed in macOS Tahoe 26.6, watchOS 26.6. An app may be able to access sensitive user data.

Vulnerability class: Information Disclosure

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
Apple Watchos — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-43759?: CVE-2026-43759 is a medium-severity vulnerability in Apple Macos, classified under Information Disclosure. CVSS score: 5.5/10. Published 2026-07-27.
How severe is CVE-2026-43759?: Medium severity. CVSS v3 base score is 5.5 out of 10.