{
    "id": "CVE-2020-0688",
    "published": "2020-02-11 22:15:15",
    "last_modified": "2026-06-17 02:46:21",
    "cvss_score": "8.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-287",
    "description": "A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.",
    "epss_score": "0.99962",
    "epss_percentile": "0.99975",
    "kev": 1,
    "kev_due": "2022-05-03",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:25:29",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-05-03."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "exchange_server"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-0688",
        "date_added": "2021-11-03",
        "due_date": "2022-05-03",
        "vendor": "Microsoft",
        "product": "Exchange Server",
        "name": "Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability",
        "ransomware": 1
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "48168",
            "title": "Exchange Control Panel - Viewstate Deserialization (Metasploit)",
            "date": "2020-03-05",
            "url": "https://www.exploit-db.com/exploits/48168"
        },
        {
            "source": "exploit-db",
            "ref_id": "48153",
            "title": "Microsoft Exchange 2019 15.2.221.12 - Authenticated Remote Code Execution",
            "date": "2020-03-02",
            "url": "https://www.exploit-db.com/exploits/48153"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-258/",
        "http://packetstormsecurity.com/files/156592/Microsoft-Exchange-2019-15.2.221.12-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/156620/Exchange-Control-Panel-Viewstate-Deserialization.html",
        "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0688",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-258/",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0688"
    ]
}