Root Privilege Escalation Vulnerability in macOS by Apple
CVE-2026-84631

7.8HIGH

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
14 September 2026

What is CVE-2026-84631?

A vulnerability in macOS previously allowed apps to potentially gain root privileges due to insufficient entitlement checks. This issue has been addressed in macOS Golden Gate 27, reinforcing security measures to prevent unauthorized access to system resources.

Affected Version(s)

macOS 0 < 27

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.