{"id":"CVE-2026-33118","aliases":["EUVD-2026-21601","GHSA-4c9q-86fx-4cv8"],"status":"published","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","description":"User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00564,"percentile":0.47236,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-451"],"published":"2026-04-10T21:20:44Z","modified":"2026-10-25T23:10:00Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33118","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33118"},{"url":"https://github.com/advisories/GHSA-4c9q-86fx-4cv8"}],"sources":{"cve":[{"id":"CVE-2026-33118","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","description":"User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-04-10T21:20:44.423Z","modified":"2026-10-15T15:53:45.802Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T14:20:07.609948Z"}],"euvd":[{"id":"EUVD-2026-21601","description":"User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-04-10T21:20:44Z","modified":"2026-10-15T15:53:45Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T17:00:12.42385Z"}],"ghsa":[{"id":"GHSA-4c9q-86fx-4cv8","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","description":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","status":"published","published":"2026-04-11T00:31:19Z","modified":"2026-04-14T18:30:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T15:07:29.002055Z"}],"nvd":[{"id":"CVE-2026-33118","description":"User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-04-10T22:16:21.123Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}