A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.
References
History

Sun, 20 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Title Local Buffer Overflow Causing Kernel Corruption and System Termination in macOS

Wed, 16 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Wed, 16 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 16 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Title Kernel buffer overflow leads to system termination or memory corruption
Weaknesses CWE-119
CWE-120

Tue, 15 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
Title Kernel buffer overflow leads to system termination or memory corruption
Weaknesses CWE-119
CWE-120

Tue, 15 Sep 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-14T20:48:15.606Z

Updated: 2026-09-16T14:35:45.611Z

Reserved: 2026-09-01T21:13:17.749Z

Link: CVE-2026-84520

cve-icon Vulnrichment

Updated: 2026-09-16T14:35:34.965Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:28.550

Modified: 2026-09-16T17:14:37.690

Link: CVE-2026-84520

cve-icon Redhat

No data.