CVE-2026-70273
Full vulnerability record from the local CVENow database.
Description
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
Severity
HIGH
CVSS score
7.0
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-13 19:19:46.377000
Last modified
2026-10-22 12:13:26.290000
View original CVE JSON
{
"id": "CVE-2026-70273",
"sourceIdentifier": "[email protected]",
"published": "2026-10-13T19:19:46.377",
"lastModified": "2026-10-22T12:13:26.290",
"vulnStatus": "Analyzed",
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}
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{
"source": "[email protected]",
"affectedData": [
{
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"product": "Windows 11 Version 24H2",
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
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"id": "CVE-2026-70273",
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{
"automatable": "no"
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{
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"role": "CISA Coordinator",
"version": "2.0.3"
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"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
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"value": "CWE-416"
}
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"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70273",
"source": "[email protected]",
"tags": [
"Patch",
"Vendor Advisory"
]
}
]
}