← CVE catalog

CVE-2023-28206

High CVSS 8.6 Known exploited

Published 2023-04-10 · last changed 2026-06-17 · added to CISA KEV 2023-04-10

This one is being exploited in the wild.

CISA added CVE-2023-28206 to the Known Exploited Vulnerabilities catalog on 2023-04-10. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2023-28206, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H