Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft_CB521E58-4131-5385-B620-DB1D990C23FB

{
    "lastseen": "2026-01-28T20:29:28",
    "description": "CVE-2026-21509-PoC Educational PoC for CVE\u20112026\u201121509 Microsoft Office security feature bypass. Generates a harmless DOCX with dummy OLE artifacts to study EDR/AV visibility. Not an exploit. For isolated labs only; see README for 7\u2011Zip inspection steps...",
    "published": "2026-01-28T20:23:45",
    "modified": "2026-01-28T20:23:49",
    "type": "githubexploit",
    "title": "Exploit for Reliance on Untrusted Inputs in a Security Decision in Microsoft",
    "source": "",
    "references": "",
    "id": "CB521E58-4131-5385-B620-DB1D990C23FB",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [
        "CVE-2026-21509"
    ],
    "sourceData": "",
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    "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",
        "version": "3.1"
    },
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
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        "cvssV3": {
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    },
    "href": "https://github.com/IncursioHack/CVE-2026-21509-PoC",
    "category_name": "Exploit",
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