CVE-2023-28206
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.
Summary dbcve.org
An out-of-bounds write vulnerability in the kernel allows a malicious application to execute arbitrary code with kernel-level privileges. This memory corruption issue was addressed through improved input validation. Apple has confirmed active exploitation in the wild, indicating this is a zero-day vulnerability.
Mitigation
Immediately apply the available security updates (macOS Big Sur 11.7.6, Monterey 12.6.5, Ventura 13.3.1, iOS/iPadOS 15.7.5 and 16.4.1) to all affected devices. Given the kernel-level privilege escalation and active exploitation, prioritize patching of internet-facing and high-value systems.