{"id":"CVE-2026-108463","aliases":["EUVD-2026-100457","GHSA-jgff-h7c7-5mrc"],"status":"published","title":"Windows SmartScreen Security Feature Bypass Vulnerability","description":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00974,"percentile":0.62547,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-41"],"published":"2026-10-13T19:01:45Z","modified":"2026-11-10T20:47:15Z","products":[{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows 11 version 26h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_11_26h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108463","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108463"},{"url":"https://github.com/advisories/GHSA-jgff-h7c7-5mrc"}],"sources":{"cve":[{"id":"CVE-2026-108463","title":"Windows SmartScreen Security Feature Bypass Vulnerability","description":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-10-13T19:01:45.515Z","modified":"2026-11-10T20:47:15.806Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-41"],"updated_at":"2026-11-10T22:18:25.731086Z"}],"euvd":[{"id":"EUVD-2026-100457","description":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-10-13T19:01:45Z","modified":"2026-11-10T20:47:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T22:23:55.284051Z"}],"ghsa":[{"id":"GHSA-jgff-h7c7-5mrc","title":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to...","description":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-10-13T21:33:29Z","modified":"2026-10-13T21:33:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-41"],"updated_at":"2026-11-02T15:13:13.272556Z"}],"nvd":[{"id":"CVE-2026-108463","description":"Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.","status":"published","published":"2026-10-13T19:18:06.31Z","modified":"2026-10-26T20:13:57.253Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-41"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}