{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2024-38080",
  "revision": 1,
  "title": "Windows Hyper-V — integer overflow raises a local user",
  "summary": "An integer overflow in Windows Hyper-V lets an attacker who already runs code on the host reach its highest account (SYSTEM). Microsoft publishes the class of the flaw and nothing about the code path it lives in.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 7.8,
    "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.07115,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": false,
    "attack_complexity": "low",
    "kev_added": "2024-07-09",
    "prerequisites": "The attacker must already be able to run code on the host as a local user."
  },
  "remediation": {
    "patch_available": true
  },
  "mitre_attack": [
    "T1068"
  ],
  "kill_chain": "privilege_escalation",
  "recommended_action": "Install the July 2024 Windows update on every Hyper-V host. The flaw is in the host role, so patching guests changes nothing here.",
  "confidence": "medium",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2024-38080",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2024-38080",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2024-38080",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38080",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38080"
    }
  ],
  "published_at": "2024-07-09T17:15:43.410Z",
  "issued_at": "2026-09-24T12:52:19.575Z",
  "tags": [
    "microsoft",
    "windows",
    "hyper-v",
    "integer-overflow",
    "privilege-escalation",
    "kev"
  ]
}