{"id":"CVE-2026-58289","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","summary":"Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","severity":"critical","cvss":9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-843"],"vendor":"Microsoft","product":"Microsoft Edge (Chromium-based)","affected":["edge_chromium-based >= 1.0.0.0 < 150.0.4078.48"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-06T00:00:00+00:00"},"exploitAvailable":true,"published":"2026-07-03","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:33:47.242Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58289","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58289","label":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability"}],"tags":["cve.org","exploit-available"],"epss":0.01991,"epssPercentile":0.79769,"exploits":{"exploitdb":true,"checkedAt":"2026-09-23T07:14:26.503Z"},"ingestedAt":"2026-09-08T17:06:31.900Z","slug":"CVE-2026-58289","body":"## Overview\n\nAccess of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `edge_chromium-based >= 1.0.0.0 < 150.0.4078.48`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":62,"depthScoreParts":{"impact":49.5,"likelihood":0.4,"exploitation":12,"ransomware":0},"changes":[]}