{
    "id": "CVE-2021-28480",
    "published": "2021-04-13 20:15:21",
    "last_modified": "2026-06-17 03:46:26",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "Microsoft Exchange Server Remote Code Execution Vulnerability",
    "epss_score": "0.71227",
    "epss_percentile": "0.99393",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:48:29",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 71.2% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "exchange_server"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480"
    ]
}