Microsoft Excel Remote Code Execution Vulnerability_CVE-2026-20955

{
    "lastseen": "",
    "description": "",
    "published": "2026-01-13T17:56:47.973Z",
    "modified": "2026-01-13T18:04:33.299Z",
    "type": "cve",
    "title": "Microsoft Excel Remote Code Execution Vulnerability",
    "source": "microsoft",
    "references": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20955",
    "id": "CVE-2026-20955",
    "bulletinFamily": "",
    "cwe": [
        "CWE-822"
    ],
    "cvelist": null,
    "sourceData": "Microsoft Office Online Server 16.0.0.0\nMicrosoft Microsoft Office 2019 19.0.0\nMicrosoft Microsoft 365 Apps for Enterprise 16.0.1\nMicrosoft Microsoft Office LTSC for Mac 2021 16.0.1\nMicrosoft Microsoft Office LTSC 2021 16.0.1\nMicrosoft Microsoft Office LTSC 2024 16.0.0\nMicrosoft Microsoft Office LTSC for Mac 2024 16.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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": "Office Online Server",
    "version": "16.0.0.0",
    "vendor": "Microsoft",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}