IRONSMITHINTEL
HIGHCVSS8.6
|
Actively Exploited
|CISA KEV|CVE-2023-28206|Auth: none — unauthenticated|Reboot: required|Manual only

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

Apple iOS, iPadOS, and macOS IOSurfaceAccelerator contain an out-of-bounds write vulnerability that allows an app to execute code with kernel privileges.

Published Apr 10, 2023 · Updated May 17, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A local attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2023-05-01 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Out-of-bounds Write (CWE-787) vulnerability in Apple iOS, iPadOS, and macOS. 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. Exploitation requires local access, low attack complexity, no authentication required, and user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

●Apple Device Administrators
●Endpoint Security
●IT Security
●Running ipados: v < 15.7.5, 16.0 ≤ v < 16.4.1; iphone os: v < 15.7.5, 16.0 ≤ v < 16.4.1; macos: v < 11.7.6, 12.0 ≤ v < 12.6.5, 13.0 ≤ v < 13.3.1
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2023-04-10 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2023-05-01.

How to patch

Manual remediation steps

1
Identify affected hosts: query inventory for os installs in scope.
2
Apply the vendor security update referenced in CVE-2023-28206's advisory. No specific KB/version is encoded yet — consult the linked MSRC/vendor URL.
3
Verify the fix per the vendor's published verification steps.
4
Document the remediation in your change ticket and re-scan with your vulnerability scanner to confirm closure.
PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2023-28206↗ MSRC Advisory↗ NVD↗ Vendor Advisory