Live › vulnerability › CVE-2021-30869
Go to dashboardApple iOS, iPadOS and macOS contain a type confusion bug in the XNU kernel. A malicious app running on the device can use it to execute code with kernel privileges.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Apple iOS, iPadOS, and macOS | vendor | – | – |
Check the installed OS version on each iPhone, iPad or Mac under Settings > General > About (or Apple menu > About This Mac) and compare it with Apple's fixed release.
Update iOS, iPadOS and macOS to a release that includes Apple's fix for CVE-2021-30869, per the vendor instructions CISA references.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.
This page as .md · .json · in your agent: get_signal("CVE-2021-30869")
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