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CVE-2019-8750

Status: ModifiedCritical (9.8)—

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Apple — IcloudApple — Watchos

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2019-8750",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "watchOS 6.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iCloud for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iCloud for Windows 11.0",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-18T18:15:38.960",
  "references": [
    {
      "url": "https://support.apple.com/HT210724",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210727",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210724",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210727",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt."
    },
    {
      "lang": "es",
      "value": "Múltiples problemas de corrupción de memoria fueron abordados con una comprobación de entrada mejorada. Este problema es corregido en watchOS versión 6.1, iCloud para Windows versión 11.0. Múltiples problemas en libxslt."
    }
  ],
  "lastModified": "2026-06-17T02:42:32.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "156D40D5-B2E9-44E3-B899-FA246C320939",
              "versionEndExcluding": "10.8"
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "277FA1BB-BB95-49DD-B50C-00F4BEE9DDE1",
              "versionEndExcluding": "6.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}