{
  "id": "CVE-2018-4344",
  "url": "https://spydr.io/cve/CVE-2018-4344",
  "published": "2019-04-03T18:29:09.173Z",
  "modified": "2026-06-17T01:58:49.423Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.02374,
  "epss_percentile": 0.83326,
  "exploited": true,
  "kev": {
    "added": "2022-06-27",
    "due": "2022-07-18",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Apple Multiple Products Memory Corruption Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2018-4344"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "apple"
  ],
  "products": [
    "iOS, macOS, tvOS, watchOS"
  ],
  "cwes": [
    "CWE-119"
  ],
  "description": "A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://support.apple.com/kb/HT209106",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT209107",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT209108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/kb/HT209139",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4344",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-4344",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}