{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-70341", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-08-04T00:04:56.037Z", "datePublished": "2026-09-11T15:50:22.899Z", "dateUpdated": "2026-10-21T20:54:57.254Z"}, "containers": {"cna": {"title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability", "datePublic": "2026-08-28T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "152.0.4191.52"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "152.0.4191.52"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:mac:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "152.0.4191.52"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:linux:*:*", "versionStartIncluding": "1.0.0", "versionEndExcluding": "152.0.4191.52"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "152.0.4191.52"}]}]}], "affected": [{"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"}]}], "descriptions": [{"value": "Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-416: Use After Free", "lang": "en-US", "type": "CWE", "cweId": "CWE-416"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-21T20:54:57.254Z"}, "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"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.5, "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"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-70341", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-12T03:55:42.747889Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-12T15:36:04.307Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-70341", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-12T03:55:42.747889Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-12T15:32:42.326Z"}}], "cna": {"title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "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"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Edge (Chromium-based)", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "152.0.4191.52", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Edge for Android", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "152.0.4191.52", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Edge for iOS", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "152.0.4191.52", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Edge for Linux", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "152.0.4191.52", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "Microsoft Edge for MAC", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "152.0.4191.52", "versionType": "custom"}]}], "datePublic": "2026-08-28T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341", "name": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416: Use After Free"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "versionEndExcluding": "152.0.4191.52", "versionStartIncluding": "1.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:android:*:*", "vulnerable": true, "versionEndExcluding": "152.0.4191.52", "versionStartIncluding": "1.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:mac:*:*", "vulnerable": true, "versionEndExcluding": "152.0.4191.52", "versionStartIncluding": "1.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:linux:*:*", "vulnerable": true, "versionEndExcluding": "152.0.4191.52", "versionStartIncluding": "1.0.0"}, {"criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "152.0.4191.52", "versionStartIncluding": "1.0.0.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-21T20:54:57.254Z"}}}, "cveMetadata": {"cveId": "CVE-2026-70341", "state": "PUBLISHED", "dateUpdated": "2026-10-21T20:54:57.254Z", "dateReserved": "2026-08-04T00:04:56.037Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-09-11T15:50:22.899Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"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"}]}

{}