High (8.6) in Apple iOS, iPadOS, and macOS. In CISA KEV since 2023-04-10. EPSS 23% chance of exploitation in the next 30 days.
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Monterey 12.6.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1, iOS 15.7.5 and iPadOS 15.7.5, macOS Big Sur 11.7.6. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Severity
CVSS 3.1
8.6 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
23% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)