Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability

HIGH 8.8EXPLOITED (CISA KEV)CVE-2022-22620 · Published 18/03/2022 · updated 17/06/2026

Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 11/02/2022. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
safari apple	`< 15.3`	`15.3`

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..

References

security.gentoo.org/glsa/202208-39 · Third Party Advisory
support.apple.com/en-us/HT213091 · Release Notes
support.apple.com/en-us/HT213092 · Release Notes
support.apple.com/en-us/HT213093 · Release Notes
cisa.gov/known-exploited-vulnerabilities-catalog · Third Party Advisory
CISA KEV · CVE-2022-22620

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