{"id":"CVE-2026-58284","aliases":["EUVD-2026-41582","GHSA-28f5-cgmh-4pfj"],"status":"published","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","description":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00562,"percentile":0.47107,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285"],"published":"2026-07-03T20:35:22Z","modified":"2026-11-01T17:37:14Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58284","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58284"},{"url":"https://github.com/advisories/GHSA-28f5-cgmh-4pfj"}],"sources":{"cve":[{"id":"CVE-2026-58284","title":"Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability","description":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-03T20:35:22.999Z","modified":"2026-11-01T17:37:14.771Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-41582","description":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-03T20:35:22Z","modified":"2026-11-01T17:37:14Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:58:46.970263Z"}],"ghsa":[{"id":"GHSA-28f5-cgmh-4pfj","title":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to...","description":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-03T21:31:40Z","modified":"2026-07-03T21:31:47Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:09:13.717138Z"}],"nvd":[{"id":"CVE-2026-58284","description":"Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-07-03T21:17:03.057Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:12:27.541515Z"}]}}