About the security content of macOS Big Sur 11.7.6

This document describes the security content of macOS Big Sur 11.7.6.

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macOS Big Sur 11.7.6

Released April 10, 2023

IOSurfaceAccelerator

Available for: macOS Big Sur

Impact: 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.

Description: An out-of-bounds write issue was addressed with improved input validation.

CVE-2023-28206: Clément Lecigne of Google’s Threat Analysis Group and Donncha Ó Cearbhaill of Amnesty International’s Security Lab

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Published Date: November 09, 2023