CVE-2023-28206
Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 May 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.6 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 23.21% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 10 April 2023 · due 1 May 2023
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
EPSS 23.2% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://support.apple.com/en-us/HT213720, https://support.apple.com/en-us/HT213721; https://nvd.nist.gov/vuln/detail/CVE-2023-28206
References
- https://support.apple.com/en-us/HT213720Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213721Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213723Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213724Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213725Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213720Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213721Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213723Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213724Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213725Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28206US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.