Exploitation evidence
Known exploited · CISA KEV listed
Added 2023-06-23. Ransomware campaign use: Unknown.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2023-07-14. 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 / iOS and iPadOS
Default status: Not specified
- affected: unspecified to < 15.7 (custom)
Apple / Safari
Default status: Not specified
- affected: unspecified to < 16.5 (custom)
Apple / iOS and iPadOS
Default status: Not specified
- affected: unspecified to < 16.5 (custom)
Apple / macOS
Default status: Not specified
- affected: unspecified to < 13.4 (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/HT213811
- https://support.apple.com/en-us/HT213816
- https://support.apple.com/en-us/HT213814
- https://support.apple.com/en-us/HT213813
- https://support.apple.com/kb/HT213814
- https://support.apple.com/kb/HT213816
- https://security.gentoo.org/glsa/202401-04
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32439
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": 0.23968,
"percentile": 0.97868
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.23968,
"percentile": 0.97855
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.23968,
"percentile": 0.97852
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.23968,
"percentile": 0.97852
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.23968,
"percentile": 0.97851
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.23968,
"percentile": 0.97849
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.23968,
"percentile": 0.97847
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.23968,
"percentile": 0.97846
}04 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T15:18:37.578Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213811"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213816"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213814"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT213813"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213814"
},
{
"tags": [
"x_transferred"
],
"url": "https://support.apple.com/kb/HT213816"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202401-04"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"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"
}
},
{
"other": {
"content": {
"id": "CVE-2023-32439",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-01-09T15:34:08.134869Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2023-06-23",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32439"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-843",
"description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:05:44.317Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32439"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-06-23T00:00:00.000Z",
"value": "CVE-2023-32439 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "15.7",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Safari",
"vendor": "Apple",
"versions": [
{
"lessThan": "16.5",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "16.5",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "13.4",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. 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."
}
],
"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.",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-05T14:06:24.618Z",
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple"
},
"references": [
{
"url": "https://support.apple.com/en-us/HT213811"
},
{
"url": "https://support.apple.com/en-us/HT213816"
},
{
"url": "https://support.apple.com/en-us/HT213814"
},
{
"url": "https://support.apple.com/en-us/HT213813"
},
{
"url": "https://support.apple.com/kb/HT213814"
},
{
"url": "https://support.apple.com/kb/HT213816"
},
{
"url": "https://security.gentoo.org/glsa/202401-04"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"cveId": "CVE-2023-32439",
"datePublished": "2023-06-23T00:00:00.000Z",
"dateReserved": "2023-05-08T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:05:44.317Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.23968,
"percentile": 0.97842
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.23968,
"percentile": 0.9784
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2023-32439",
"cwes": [
"CWE-843"
],
"dateAdded": "2023-06-23",
"dueDate": "2023-07-14",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://support.apple.com/en-us/HT213813, https://support.apple.com/en-us/HT213811, https://support.apple.com/en-us/HT213814, https://support.apple.com/en-us/HT213816; https://nvd.nist.gov/vuln/detail/CVE-2023-32439",
"product": "Multiple Products",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Apple iOS, iPadOS, macOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.",
"vendorProject": "Apple",
"vulnerabilityName": "Apple Multiple Products WebKit Type Confusion Vulnerability"
}