Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-12-14. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2023-01-04. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Apple / tvOS
Default status: Not specified
- affected: unspecified to < 16.2 (custom)
Apple / tvOS
Default status: Not specified
- affected: unspecified to < 13.1 (custom)
Apple / tvOS
Default status: Not specified
- affected: unspecified to < 15.7 (custom)
Apple / tvOS
Default status: Not specified
- affected: unspecified to < 16.1 (custom)
Apple / tvOS
Default status: Not specified
- affected: unspecified to < 16.2 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213537
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/23
- http://seclists.org/fulldisclosure/2022/Dec/22
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/28
- http://www.openwall.com/lists/oss-security/2022/12/26/1
- https://security.gentoo.org/glsa/202305-32
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.08523,
"percentile": 0.95122
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.08523,
"percentile": 0.95091
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.08523,
"percentile": 0.95085
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.08523,
"percentile": 0.95082
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.08523,
"percentile": 0.95079
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.08523,
"percentile": 0.95071
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.08523,
"percentile": 0.95067
}05 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
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"dateUpdated": "2024-08-03T13:19:05.404Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
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"references": [
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213535"
},
{
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"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213532"
},
{
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"url": "https://support.apple.com/en-us/HT213531"
},
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"url": "https://support.apple.com/en-us/HT213516"
},
{
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"url": "https://support.apple.com/en-us/HT213537"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-4 macOS Ventura 13.1",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/23"
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{
"name": "20221220 APPLE-SA-2022-12-13-3 iOS 16.1.2",
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{
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"tags": [
"mailing-list",
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],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
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{
"name": "20221220 APPLE-SA-2022-12-13-9 Safari 16.2",
"tags": [
"mailing-list",
"x_transferred"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/28"
},
{
"name": "[oss-security] 20221226 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011",
"tags": [
"mailing-list",
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"url": "http://www.openwall.com/lists/oss-security/2022/12/26/1"
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],
"title": "CVE Program Container"
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{
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{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
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"timestamp": "2025-01-28T21:34:19.303837Z",
"version": "2.0.3"
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"type": "kev"
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"description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')",
"lang": "en",
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],
"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"references": [
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"tags": [
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],
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],
"timeline": [
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"time": "2022-12-14T00:00:00.000Z",
"value": "CVE-2022-42856 added to CISA KEV"
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
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{
"product": "tvOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "16.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
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]
},
{
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"versions": [
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]
},
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],
"descriptions": [
{
"lang": "en",
"value": "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.."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "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.",
"lang": "en",
"type": "text"
}
]
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],
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},
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},
{
"url": "https://support.apple.com/en-us/HT213531"
},
{
"url": "https://support.apple.com/en-us/HT213516"
},
{
"url": "https://support.apple.com/en-us/HT213537"
},
{
"name": "20221220 APPLE-SA-2022-12-13-2 iOS 15.7.2 and iPadOS 15.7.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/21"
},
{
"name": "20221220 APPLE-SA-2022-12-13-4 macOS Ventura 13.1",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/23"
},
{
"name": "20221220 APPLE-SA-2022-12-13-3 iOS 16.1.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/22"
},
{
"name": "20221220 APPLE-SA-2022-12-13-7 tvOS 16.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/26"
},
{
"name": "20221220 APPLE-SA-2022-12-13-9 Safari 16.2",
"tags": [
"mailing-list"
],
"url": "http://seclists.org/fulldisclosure/2022/Dec/28"
},
{
"name": "[oss-security] 20221226 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0011",
"tags": [
"mailing-list"
],
"url": "http://www.openwall.com/lists/oss-security/2022/12/26/1"
},
{
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}
]
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},
"cveMetadata": {
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"cveId": "CVE-2022-42856",
"datePublished": "2022-12-15T00:00:00.000Z",
"dateReserved": "2022-10-11T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:29.832Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.08523,
"percentile": 0.95062
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.08523,
"percentile": 0.95054
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.08523,
"percentile": 0.95047
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2022-42856",
"cwes": [
"CWE-843"
],
"dateAdded": "2022-12-14",
"dueDate": "2023-01-04",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://support.apple.com/en-us/HT213516; https://nvd.nist.gov/vuln/detail/CVE-2022-42856",
"product": "iOS",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Apple iOS contains a type confusion vulnerability when processing maliciously crafted web content leading to code execution.",
"vendorProject": "Apple",
"vulnerabilityName": "Apple iOS Type Confusion Vulnerability"
}