{"id":"CVE-2026-58286","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","summary":"Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-284"],"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":"partial","timestamp":"2026-07-07T02:19:24.053785Z"},"published":"2026-07-03","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:33:45.600Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-58286","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58286","label":"Microsoft Edge (Chromium-based) Spoofing Vulnerability"}],"tags":["cve.org"],"epss":0.00419,"epssPercentile":0.35776,"ingestedAt":"2026-09-08T17:06:31.900Z","slug":"CVE-2026-58286","body":"## Overview\n\nImproper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing 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":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}