CVE-2026-43715
Full vulnerability record from the local CVENow database.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-06-29 20:17:36.173000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
"id": "CVE-2026-43715",
"sourceIdentifier": "[email protected]",
"published": "2026-06-29T20:17:36.173",
"lastModified": "2026-10-24T16:10:00.153",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption."
},
{
"lang": "es",
"value": "Se abordó un problema de uso después de liberación con una gestión de memoria mejorada. Este problema se corrigió en Safari 26.5.2, iOS 26.5.2 y iPadOS 26.5.2, macOS Tahoe 26.5.2. El procesamiento de contenido web maliciosamente diseñado puede provocar corrupción de memoria."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "Safari",
"versions": [
{
"version": "0",
"lessThan": "26.5.2",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"version": "0",
"lessThan": "26.5.2",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "26.7",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"lessThan": "26.5.2",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "tvOS",
"versions": [
{
"version": "0",
"lessThan": "26.6",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "visionOS",
"versions": [
{
"version": "0",
"lessThan": "26.6",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "watchOS",
"versions": [
{
"version": "0",
"lessThan": "26.6",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-29T00:00:00+00:00",
"id": "CVE-2026-43715",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
"versionEndExcluding": "26.5.2",
"matchCriteriaId": "A3C31705-98A5-4EB4-9C89-47140142B078"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"versionEndExcluding": "26.5.2",
"matchCriteriaId": "DB0D3014-6223-4BE5-B8D5-C8A17326859D"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"versionEndExcluding": "26.5.2",
"matchCriteriaId": "237EDA63-32B7-40AA-8EDD-726EC67EAE38"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"versionStartIncluding": "26.0",
"versionEndExcluding": "26.5.2",
"matchCriteriaId": "C3D2FD83-D448-4CD3-90ED-9FB8BF55B0D0"
}
]
}
]
}
],
"references": [
{
"url": "https://support.apple.com/en-us/127594",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://support.apple.com/en-us/127595",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://support.apple.com/en-us/127685",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://support.apple.com/en-us/128068",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/128069",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/128070",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/149041",
"source": "[email protected]"
}
]
}