CVE-2026-84555 — MEDIUM (5.5)

Q: What is CVE-2026-84555?

CVE-2026-84555 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An authorization issue was addressed with improved access control. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to access sensitive user data.

Q: How severe is CVE-2026-84555?

CVE-2026-84555 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-84555?

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

Vulnerability Description

An authorization issue was addressed with improved access control. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to access sensitive user 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

Vendor	Product	Versions
Apple	Macos	>= 15.0, < 15.8

Related Weaknesses (CWE)

CWE-284

References

https://support.apple.com/en-us/149035Release NotesVendor Advisory
https://support.apple.com/en-us/149043Release NotesVendor Advisory

FAQ

What is CVE-2026-84555?

CVE-2026-84555 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An authorization issue was addressed with improved access control. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to access sensitive user data.

How severe is CVE-2026-84555?

CVE-2026-84555 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-2026-84555?

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