CVE-2021-30869
Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
CVSS
—
No CVSS
EPSS
4.2%
p90
KEV
YES
Nov 3, 2021
Exploit Today
77
0-100
Published: — · Last modified: —
4.2%EPSS · 30 days4.2%
2026-06-302026-07-17
Product
Apple / iOS, iPadOS, and macOS
Vulnerability
Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
No
Summary description
Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-30869
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2023-28206—97.6%
KEV—79Apple iOS, iPadOS, and macOS IOSurfaceAccelerator Out-of-Bounds Write Vulnerability—CVE-2025-43300—97.1%
KEV—79Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability—CVE-2022-22620—96.6%
KEV—79Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability—CVE-2023-41064—96.4%
KEV—79Apple iOS, iPadOS, and macOS ImageIO Buffer Overflow Vulnerability—CVE-2021-30858—96.0%
KEV—79Apple iOS, iPadOS, macOS Use-After-Free Vulnerability—CVE-2021-1870—94.1%
KEV—78Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability—