CVE-2021-1829

Published: Sep 8, 2021Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.

Affected (1)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	From 11.0 to 11.3

Related CWEs

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References (2)

https://support.apple.com/en-us/HT212325

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212325

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

Timeline

No history available yet.