CVE-2026-84579
Full vulnerability record from the local CVENow database.
Description
A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-20 01:17:23.593000
Last modified
2026-11-03 21:10:13.190000
View original CVE JSON
{
"id": "CVE-2026-84579",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T01:17:23.593",
"lastModified": "2026-11-03T21:10:13.190",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Opening a file referencing a network share may lead to unexpected software execution."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"lessThan": "15.8",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "26.7",
"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: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": "2026-10-21T03:56:23.813616Z",
"id": "CVE-2026-84579",
"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-703"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "027D0062-9C57-4DF6-BE4D-70FD88DB40E4"
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}
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}
],
"references": [
{
"url": "https://support.apple.com/en-us/149035",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Release Notes"
]
},
{
"url": "https://support.apple.com/en-us/149042",
"source": "[email protected]",
"tags": [
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]
},
{
"url": "https://support.apple.com/en-us/149043",
"source": "[email protected]",
"tags": [
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"Release Notes"
]
}
]
}