CVE-2023-28206: Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability

High severity, CVSS 8.6. Actively exploited: in CISA KEV since 2023-04-10. EPSS: 23.2% 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.

Affected products

• Apple iPadOS: before 15.7.5 (fixed in 15.7.5); from 16.0, before 16.4.1 (fixed in 16.4.1)
• Apple iPhone OS: before 15.7.5 (fixed in 15.7.5); from 16.0, before 16.4.1 (fixed in 16.4.1)
• Apple macOS: before 11.7.6 (fixed in 11.7.6); from 12.0, before 12.6.5 (fixed in 12.6.5); from 13.0, before 13.3.1 (fixed in 13.3.1)

Published 2023-04-10. Last modified 2026-06-17.