CVE-2022-42856A type confusion issue was addressed with improved state handling.
Updated under an hour ago ()
Does this affect you?
It affects Apple tvOS and 4 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Dec 14, 2022; federal agencies had to remediate by Jan 4, 2023. Treat that date as your deadline.
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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..
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-843
- Known exploited
- Added to CISA KEV Dec 14, 2022; federal remediation due Jan 4, 2023Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 8.52% (percentile 95)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple tvOS apple:tvos (from the name) | from unspecified before 16.2 | CNA record |
apple safari apple:safari | before 16.2 | NVD |
apple ipados apple:ipados | before 15.7.2 | NVD |
apple iphone_os apple:iphone_os | before 15.7.2; from 16.0 before 16.1.2 | NVD |
apple macos apple:macos | before 13.1 | NVD |
apple tvos apple:tvos | before 16.2 | NVD |
References
- https://support.apple.com/en-us/HT213535release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213532release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213531release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213516release-notes, vendor-advisory
- https://support.apple.com/en-us/HT213537release-notes, vendor-advisory
- http://seclists.org/fulldisclosure/2022/Dec/21mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/23mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/22mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/26mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/28mailing-list, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/12/26/1mailing-list, third-party-advisory
- https://security.gentoo.org/glsa/202305-32third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.