CVE-2022-22620
Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability
- High 8.8
- Exploited: added to CISA KEV 11 Feb 2022
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..
Key facts
- Published
- 18 Mar 2022
- Last changed
- 21 Oct 2025
- Assigned by
- apple
- KEV added
- 11 Feb 2022
- KEV fix due
- 25 Feb 2022
- EPSS
- 16.342% likely to be exploited in the next 30 days, higher than 97.014% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari (v and ) |
|
| Apple | macOS |
|
| Apple | macOS |
|
Timeline
- 11 Feb 2022 CVE-2022-22620 added to CISA KEV
- 11 Feb 2022 Added to the CISA KEV catalogue
- 18 Mar 2022 Published