CVE-2026-66310

Full vulnerability record from the local CVENow database.
Description

External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
Severity
HIGH
CVSS score
7.1 (v3.1)
Vulnerability status
Analyzed
Source identifier
[email protected]
Published
2026-08-04 00:17:38.240000
Last modified
2026-10-23 23:10:00.157000
View original CVE JSON
{
  "id": "CVE-2026-66310",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-04T00:17:38.240",
  "lastModified": "2026-10-23T23:10:00.157",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "External control of file name or path in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally."
    },
    {
      "lang": "es",
      "value": "Control externo del nombre de archivo o ruta en Microsoft Edge para Android permite a un atacante no autorizado divulgar información localmente."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Edge for Android",
          "versions": [
            {
              "version": "1.0.0.0",
              "lessThan": "151.0.4129.59",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.2
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-05T03:57:18.900692Z",
          "id": "CVE-2026-66310",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-73"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*",
              "versionEndExcluding": "151.0.4129.59",
              "matchCriteriaId": "9E345AC7-CBD5-4225-8485-DF34D34D054C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66310",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}