Live › vulnerability › CVE-2021-30807
Go to dashboardApple iOS, iPadOS, macOS and watchOS have a memory corruption bug in the IOMobileFrameBuffer kernel component. A local app can exploit it to run 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 Multiple Products | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Update Apple devices to a patched iOS, iPadOS, macOS or watchOS release per Apple's vendor instructions (fixed versions not stated in sources).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
This page as .md · .json · in your agent: get_signal("CVE-2021-30807")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.