CVEvulnerability

CVE-2022-22620

8.8 HIGH Known exploited Published 2022-03-18 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

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

Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Added to KEV: 2022-02-11
Remediation due: 2022-02-25
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2022-22620

Status: Analyzed
Published: 2022-03-18
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses: 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 configurations

• apple safari (< 15.3) • apple ipados (< 15.3.1) • apple iphone os (< 15.3.1) • apple macos (>= 12.0.0 < 12.2.1)

Weakness · CWE (1)

CWE-416 Use After Free weakness

References