Cyber Resilience

CVE-2022-42826

High

Published: 27 February 2023

Published
27 February 2023
Modified
05 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0010 27.4th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-42826 is a high-severity Use After Free (CWE-416) vulnerability in Apple Safari. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 27.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13, iOS 16.1 and iPadOS 16, Safari 16.1. Processing maliciously crafted web content may lead to arbitrary code execution.

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
safari
≤ 16.1
apple
ipados
≤ 16.1
apple
iphone os
≤ 16.1
apple
macos
≤ 13.0
webkitgtk
webkitgtk\+
≤ 2.40.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References