Kernel Memory Disclosure Vulnerability in macOS Golden Gate by Apple
CVE-2026-86940

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
20 October 2026

What is CVE-2026-86940?

A kernel memory disclosure vulnerability was identified in Apple's macOS Golden Gate 27. This issue allowed an application to potentially disclose sensitive kernel memory information. The vulnerability has been addressed by removing the specific vulnerable code from the operating system. Users are encouraged to update to the latest version to ensure their systems are protected against potential exploitation.

Affected Version(s)

macOS 0 < 27

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.