CVE-2026-86916
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 iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2. An app may be able to execute arbitrary code with kernel privileges.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Received
Source identifier
Published
2026-10-26 21:20:28.087000
Last modified
2026-10-26 21:20:28.087000
View original CVE JSON
{
"id": "CVE-2026-86916",
"sourceIdentifier": "[email protected]",
"published": "2026-10-26T21:20:28.087",
"lastModified": "2026-10-26T21:20:28.087",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7.2. An app may be able to execute arbitrary code with kernel privileges."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"version": "0",
"lessThan": "26.7",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "27",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"lessThan": "15.8",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "26.7.2",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "27",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-26T20:48:38.664889Z",
"id": "CVE-2026-86916",
"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"
}
]
}
],
"references": [
{
"url": "https://support.apple.com/en-us/149034",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/149035",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/149041",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/149043",
"source": "[email protected]"
},
{
"url": "https://support.apple.com/en-us/149522",
"source": "[email protected]"
}
]
}