CVE-2023-43000

Vulnerability details

Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.

Added to CISA KEV: 2026-03-05

Ransomware campaign use: Unknown

CISA due date: 2026-03-26

Defensive guidance from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.