{"id":"CVE-2026-20942","aliases":["EUVD-2026-113162","GHSA-46jg-xg9r-688p"],"status":"published","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","description":"Improper restriction of rendered ui layers or frames 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":"2026-11-11","score":0.00628,"percentile":0.5057,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1021"],"published":"2026-10-29T15:21:46Z","modified":"2026-11-03T17:58:17Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20942","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20942"},{"url":"https://github.com/advisories/GHSA-46jg-xg9r-688p"}],"sources":{"cve":[{"id":"CVE-2026-20942","title":"Microsoft Edge (Chromium-based) Spoofing Vulnerability","description":"Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-10-29T15:21:46.978Z","modified":"2026-11-10T20:47:19.592Z","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-1021"],"updated_at":"2026-11-10T22:18:27.383863Z"}],"euvd":[{"id":"EUVD-2026-113162","description":"Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-10-29T15:21:46Z","modified":"2026-11-10T20:47:19Z","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":"2026-11-10T22:23:55.284051Z"}],"ghsa":[{"id":"GHSA-46jg-xg9r-688p","title":"Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an...","description":"Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-10-29T18:31:02Z","modified":"2026-10-29T18:31:09Z","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-1021"],"updated_at":"2026-11-02T15:14:39.976988Z"}],"nvd":[{"id":"CVE-2026-20942","description":"Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-10-29T16:18:08.593Z","modified":"2026-11-03T17:58:17.06Z","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-1021"],"updated_at":"2026-11-03T20:18:18.319452Z"}]}}