An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
https://support.apple.com/en-us/149035
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-78005
Source: Mitre, NVD
Published: 2026-09-14
Updated: 2026-09-18
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
Severity: High
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Severity: Medium
EPSS: 0.00343