{"cve":"CVE-2018-8126","nvd":{"published":"2018-05-09T19:29:01.463","modified":"2026-06-17T02:04:18.783","status":"Modified","description":"A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka \"Internet Explorer Security Feature Bypass Vulnerability.\" This affects Internet Explorer 11.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["http://www.securityfocus.com/bid/103997","http://www.securitytracker.com/id/1040846","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8126","http://www.securityfocus.com/bid/103997","http://www.securitytracker.com/id/1040846"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2018-8126","score":0.055,"percentile":0.92787,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}