CVE-2026-86949
Full vulnerability record from the local CVENow database.
Description
This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-20 01:17:28.370000
Last modified
2026-10-29 15:53:46.093000
View original CVE JSON
{
"id": "CVE-2026-86949",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T01:17:28.370",
"lastModified": "2026-10-29T15:53:46.093",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "Xcode",
"versions": [
{
"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:C/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.0,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-20T00:00:00+00:00",
"id": "CVE-2026-86949",
"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-829"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*",
"versionEndExcluding": "27.0",
"matchCriteriaId": "8C722BDD-C3C5-4AA3-BD39-D9464A9D2F4E"
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],
"references": [
{
"url": "https://support.apple.com/en-us/149040",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Release Notes"
]
}
]
}