Access Control Vulnerability in macOS by Apple
CVE-2026-84555

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
14 September 2026

What is CVE-2026-84555?

An issue has been identified in macOS where improper access control allows apps to potentially access sensitive user data. This vulnerability has been addressed in the latest versions, ensuring enhanced security measures are in place to protect users from unauthorized data access. Users are encouraged to update to macOS Golden Gate 27 or macOS Sequoia 15.8 to mitigate risks associated with this vulnerability.

Affected Version(s)

macOS 0 < 15.8

macOS 0 < 27

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.