The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.1 and iPadOS 18.1. An app may be able to corrupt coprocessor memory.
https://support.apple.com/en-us/121563
Source: Mitre, NVD
Published: 2026-01-16
Updated: 2026-01-26
Base Score: 6.8
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00013