CVE-2026-39871
Full vulnerability record from the local CVENow database.
Description
A path handling issue was addressed with improved logic. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to observe unprotected user data.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-11 21:19:00.050000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
"id": "CVE-2026-39871",
"sourceIdentifier": "[email protected]",
"published": "2026-05-11T21:19:00.050",
"lastModified": "2026-10-26T18:10:00.173",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A path handling issue was addressed with improved logic. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to observe unprotected user data."
},
{
"lang": "es",
"value": "Un problema de manejo de rutas se abordó con lógica mejorada. Este problema está corregido en macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Una aplicación podría observar datos de usuario no protegidos."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"lessThan": "14.8.7",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "15.7.7",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "26.5",
"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:N/S:U/C:H/I:N/A:N",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-12T13:11:33.902577Z",
"id": "CVE-2026-39871",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-552"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "DD9E7FAE-30DA-4B2B-A63A-6DFEA7A29933"
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"references": [
{
"url": "https://support.apple.com/en-us/127115",
"source": "[email protected]",
"tags": [
"Release Notes",
"Vendor Advisory"
]
},
{
"url": "https://support.apple.com/en-us/127116",
"source": "[email protected]",
"tags": [
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"Vendor Advisory"
]
},
{
"url": "https://support.apple.com/en-us/127117",
"source": "[email protected]",
"tags": [
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"Vendor Advisory"
]
}
]
}