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CVE-2026-70341 (GCVE-0-2026-70341)

Vulnerability from cvelistv5 – Published: 2026-09-11 15:50 – Updated: 2026-09-11 16:49
VLAI
Title
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 152.0.4191.52 (custom)
guessed Create a notification for this product.
Microsoft Microsoft Edge for Android Affected: 1.0.0.0 , < 152.0.4191.52 (custom)
guessed Create a notification for this product.
Microsoft Microsoft Edge for iOS Affected: 1.0.0.0 , < 152.0.4191.52 (custom)
guessed Create a notification for this product.
Microsoft Microsoft Edge for Linux Affected: 1.0.0 , < 152.0.4191.52 (custom)
guessed Create a notification for this product.
Microsoft Microsoft Edge for MAC Affected: 1.0.0.0 , < 152.0.4191.52 (custom)
guessed Create a notification for this product.
Date Public
2026-08-28 14:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        },
        {
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          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "152.0.4191.52",
              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
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            {
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              "status": "affected",
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              "versionType": "custom"
            }
          ]
        },
        {
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            {
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              "status": "affected",
              "version": "1.0.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*",
                  "versionEndExcluding": "152.0.4191.52",
                  "versionStartIncluding": "1.0.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*",
                  "versionEndExcluding": "152.0.4191.52",
                  "versionStartIncluding": "1.0.0.0",
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                },
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                  "versionEndExcluding": "152.0.4191.52",
                  "versionStartIncluding": "1.0.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:linux:*:*",
                  "versionEndExcluding": "152.0.4191.52",
                  "versionStartIncluding": "1.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "152.0.4191.52",
                  "versionStartIncluding": "1.0.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-08-28T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416: Use After Free",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T16:49:58.739Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341"
        }
      ],
      "title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-70341",
    "datePublished": "2026-09-11T15:50:22.899Z",
    "dateReserved": "2026-08-04T00:04:56.037Z",
    "dateUpdated": "2026-09-11T16:49:58.739Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-70341\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2026-09-11T16:17:46.080\",\"lastModified\":\"2026-09-11T16:17:46.080\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.\"}],\"affected\":[{\"source\":\"secure@microsoft.com\",\"affectedData\":[{\"vendor\":\"Microsoft\",\"product\":\"Microsoft Edge (Chromium-based)\",\"versions\":[{\"version\":\"1.0.0.0\",\"lessThan\":\"152.0.4191.52\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"Microsoft Edge for Android\",\"versions\":[{\"version\":\"1.0.0.0\",\"lessThan\":\"152.0.4191.52\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"Microsoft Edge for iOS\",\"versions\":[{\"version\":\"1.0.0.0\",\"lessThan\":\"152.0.4191.52\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"Microsoft Edge for Linux\",\"versions\":[{\"version\":\"1.0.0\",\"lessThan\":\"152.0.4191.52\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"Microsoft Edge for MAC\",\"versions\":[{\"version\":\"1.0.0.0\",\"lessThan\":\"152.0.4191.52\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341\",\"source\":\"secure@microsoft.com\"}]}}"
  }
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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