MEDIUM · 5.5

CVE-2026-43756

A logic issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access user-sensitive data.

Vulnerability Description

A logic issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access user-sensitive data.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AppleMacos>= 14.0, < 14.8.8

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-43756?

CVE-2026-43756 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A logic issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access user-sensitive data.

How severe is CVE-2026-43756?

CVE-2026-43756 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-43756?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.