An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
References
History

Fri, 18 Sep 2026 16:45:00 +0000

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

Thu, 17 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 08:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write via Malicious exFAT Volume Causing System Termination and Kernel Memory Disclosure
Weaknesses CWE-787

Tue, 15 Sep 2026 03:45:00 +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 An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-14T20:49:38.245Z

Updated: 2026-09-17T16:13:19.527Z

Reserved: 2026-09-08T16:43:41.873Z

Link: CVE-2026-86901

cve-icon Vulnrichment

Updated: 2026-09-17T16:13:09.406Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:40.937

Modified: 2026-09-18T16:35:15.753

Link: CVE-2026-86901

cve-icon Redhat

No data.