CVE-2026-83831
Full vulnerability record from the local CVENow database.
Description
Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-27 21:19:08.030000
Last modified
2026-10-27 21:31:20.477000
View original CVE JSON
{
"id": "CVE-2026-83831",
"sourceIdentifier": "[email protected]",
"published": "2026-10-27T21:19:08.030",
"lastModified": "2026-10-27T21:31:20.477",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Double free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Microsoft Edge (Chromium-based)",
"versions": [
{
"version": "1.0.0.0",
"lessThan": "154.0.4258.48",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"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
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-415"
}
]
}
],
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83831",
"source": "[email protected]"
}
]
}