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CVE-2017-8599

Status: ModifiedMedium (6.5)—

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to trick a user into loading a page with malicious content when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability".

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 (1)

Microsoft — Edge

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-8599",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft Corporation",
          "product": "Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016",
          "versions": [
            {
              "status": "affected",
              "version": "Edge CSP"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-07-11T21:29:02.000",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/99393",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1038858",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8599",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/99393",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1038858",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8599",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to trick a user into loading a page with malicious content when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka \"Microsoft Edge Security Feature Bypass Vulnerability\"."
    },
    {
      "lang": "es",
      "value": "Microsoft Edge en Microsoft Windows 10 Gold, 1511, 1607 y 1703 y Windows Server 2016 permite que un atacante engañe a un usuario para que cargue una página con contenido malicioso cuando Edge Content Security Policy (CSP) no valida correctamente ciertos documentos especialmente manipulados. Esto también se conoce como \"Microsoft Edge Security Feature Bypass Vulnerability\"."
    }
  ],
  "lastModified": "2026-06-17T01:26:38.823",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8BD5B232-95EA-4F8E-8C7D-7976877AD243"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "232581CC-130A-4C62-A7E9-2EC9A9364D53"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "AEE2E768-0F45-46E1-B6D7-087917109D98"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "AF6437F9-6631-49D3-A6C2-62329E278E31"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}