CVE-2022-22620: Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-02-11. EPSS: 16.3% chance of exploitation in the next 30 days.

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Affected products

• Apple iPadOS: before 15.3.1 (fixed in 15.3.1)
• Apple iPhone OS: before 15.3.1 (fixed in 15.3.1)
• Apple macOS: from 12.0.0, before 12.2.1 (fixed in 12.2.1)
• Apple Safari: before 15.3 (fixed in 15.3)

Published 2022-03-18. Last modified 2026-06-17.