CVE-2023-28206
High 8.6 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
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.
Metrics
- CVSS 3.1
-
8.6 (HIGH)
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - EPSS — exploit probability
- 23% (percentile: 98) as of 2 November 2026
- CWE
- CWE-787
Affected products
apple: ipados; apple: iphone os; apple: macos
References
- https://support.apple.com/en-us/HT213720 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213721 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213723 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213724 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213725 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213720 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213721 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213723 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213724 Release NotesVendor Advisory
- https://support.apple.com/en-us/HT213725 Release NotesVendor Advisory