CVE-2022-22620
Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run iOS, iPadOS, and macOS, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Feb 25, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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..
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| iOS & iPadOS | Apple | < 15.3.1 | 15.3.1 | NVD |
| iOS, iPadOS, and macOS | Apple | — | — | KEV |
| macOS | Apple | >= 12.0.0, < 12.2.1 | 12.2.1 | NVD |
| Safari | Apple | < 15.3 | 15.3 | NVD |
Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2022-22620 scored CVSS 8.8: Apple iOS, iPadOS, and macOS, Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability
CISA lists this as exploited in the wild. Unpatched iOS, iPadOS, and macOS systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
We have not published a story about this vulnerability yet.