What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-02-11
• EPSS: 16.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-18 · updated 2026-06-17
• Weakness: CWE-416

Description

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

How to fix

Upgrade to a fixed version: Apple iPadOS 15.3.1; Apple Iphone Os 15.3.1; Apple macOS 12.2.1; Apple Safari 15.3. Check the vendor advisory for mitigations.

References

• https://security.gentoo.org/glsa/202208-39
• https://support.apple.com/en-us/HT213091
• https://support.apple.com/en-us/HT213092
• https://support.apple.com/en-us/HT213093
• https://security.gentoo.org/glsa/202208-39
• https://support.apple.com/en-us/HT213091
• https://support.apple.com/en-us/HT213092
• https://support.apple.com/en-us/HT213093
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22620

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