FKIE_CVE-2026-70341

Vulnerability from fkie_nvd - Published: 2026-09-11 16:17 - Updated: 2026-10-06 15:45
Severity
8.5 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341Patch, Vendor Advisory
Impacted products
Vendor Product Version
microsoft edge -
apple macos -
linux linux_kernel -
microsoft edge *
microsoft edge *
microsoft edge_chromium *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Microsoft Edge (Chromium-based)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Edge for Android",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Edge for iOS",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Edge for Linux",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft Edge for MAC",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "77D197D7-57FB-4898-8C70-B19D5F0D5BE0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "8CD83793-9E86-4E35-AC8D-C5BD78A4FBFA",
              "versionEndExcluding": "152.0.4191.52",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "BE9D24FA-FCD0-402C-9AA0-2C17C41F49C4",
              "versionEndExcluding": "152.0.4191.52",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "3628EC7C-81A5-4684-9299-734A5D1D437E",
              "versionEndExcluding": "152.0.4191.52",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network."
    }
  ],
  "id": "CVE-2026-70341",
  "lastModified": "2026-10-06T15:45:16.650",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 6.0,
        "source": "secure@microsoft.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-70341",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-12T03:55:42.747889Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-11T16:17:46.080",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "secure@microsoft.com",
      "type": "Secondary"
    }
  ]
}



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