An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.4. An attacker that has already achieved code execution in macOS Recovery may be able to escalate to kernel privileges.
https://support.apple.com/en-us/HT213257
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-31293
Source: Mitre, NVD
Published: 2022-05-26
Updated: 2026-06-17
Base Score: 6.9
Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C
Severity: Medium
Base Score: 7
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00045