{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58290", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-06-29T21:59:30.871Z", "datePublished": "2026-07-03T20:35:30.311Z", "dateUpdated": "2026-07-03T21:26:19.954Z"}, "containers": {"cna": {"title": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability", "datePublic": "2026-07-03T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "150.0.4078.48"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Edge (Chromium-based)", "versions": [{"version": "1.0.0.0", "lessThan": "150.0.4078.48", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')", "lang": "en-US", "type": "CWE", "cweId": "CWE-843"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-07-03T21:26:19.954Z"}, "references": [{"name": "Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58290"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C"}}]}}}

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