Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability_CVE-2026-20810

{
    "lastseen": "",
    "description": "",
    "published": "2026-01-13T17:56:10.446Z",
    "modified": "2026-01-13T18:03:57.004Z",
    "type": "cve",
    "title": "Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability",
    "source": "microsoft",
    "references": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20810",
    "id": "CVE-2026-20810",
    "bulletinFamily": "",
    "cwe": [
        "CWE-590"
    ],
    "cvelist": null,
    "sourceData": "Microsoft Windows 10 Version 1809 10.0.17763.0\nMicrosoft Windows Server 2019 10.0.17763.0\nMicrosoft Windows Server 2019 (Server Core installation) 10.0.17763.0\nMicrosoft Windows 10 Version 21H2 10.0.19044.0\nMicrosoft Windows 10 Version 22H2 10.0.19045.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Windows 10 Version 1809",
    "version": "10.0.17763.0",
    "vendor": "Microsoft",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}