CVE-2022-42856
Apple iOS Type Confusion Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run iOS & iPadOS, fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Jan 4, 2023.
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 type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| iOS & iPadOS | Apple | < 15.7.2 | 15.7.2 | KEV |
| macOS | Apple | < 13.1 | 13.1 | NVD |
| Safari | Apple | < 16.2 | 16.2 | NVD |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2022-42856 scored CVSS 8.8: Apple iOS, Apple iOS Type Confusion Vulnerability
CISA lists this as exploited in the wild. Unpatched iOS 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.