CVE-2026-83870
Full vulnerability record from the local CVENow database.
Description
Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-13 19:20:36.853000
Last modified
2026-10-21 17:11:22.527000
View original CVE JSON
{
"id": "CVE-2026-83870",
"sourceIdentifier": "[email protected]",
"published": "2026-10-13T19:20:36.853",
"lastModified": "2026-10-21T17:11:22.527",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 11 Version 24H2",
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"versions": [
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},
{
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],
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},
{
"vendor": "Microsoft",
"product": "Windows 11 version 26H1",
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],
"versions": [
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],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
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"id": "CVE-2026-83870",
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{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
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"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83870",
"source": "[email protected]",
"tags": [
"Patch",
"Vendor Advisory"
]
}
]
}