CVE-2021-1789
Apple Multiple Products Type Confusion Vulnerability
Apple · Multiple Products
Vulnerability details
A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.
Added to CISA KEV: 2022-05-04
Ransomware campaign use: Unknown
CISA due date: 2022-05-25
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC