{"id":"CVE-2026-45492","aliases":["EUVD-2026-30786","GHSA-c6cv-85fc-cwmv"],"status":"published","title":"Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability","description":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00302,"percentile":0.23214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-05-18T17:03:16Z","modified":"2026-10-14T20:10:00Z","products":[{"vendor":"microsoft","product":"edge_chromium"},{"vendor":"microsoft","product":"microsoft edge (chromium-based)"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45492","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45492"},{"url":"https://github.com/advisories/GHSA-c6cv-85fc-cwmv"}],"sources":{"cve":[{"id":"CVE-2026-45492","title":"Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability","description":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-05-18T17:03:16.83Z","modified":"2026-08-10T15:13:46.031Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-30786","description":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-05-18T17:03:16Z","modified":"2026-08-10T15:13:46Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:02:01.941928Z"}],"ghsa":[{"id":"GHSA-c6cv-85fc-cwmv","title":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to...","description":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-05-18T18:31:31Z","modified":"2026-05-18T18:31:31Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:08:12.004262Z"}],"nvd":[{"id":"CVE-2026-45492","description":"Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-05-18T18:17:37.897Z","modified":"2026-10-14T20:10:00.19Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:19.39893Z"}]}}