{"cve":"CVE-2021-26411","nvd":{"published":"2021-03-11T16:15:13.863","modified":"2026-10-01T21:17:16.540","status":"Analyzed","description":"Internet Explorer Memory Corruption Vulnerability","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L","score":8.8},"cwes":["CWE-416"],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26411","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26411","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26411"],"products":["microsoft:edge","microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-26411","score":0.81667,"percentile":0.9964,"date":"2026-10-25"},"kev":{"cve":"CVE-2021-26411","date_added":"2021-11-03","due_date":"2021-11-17","vendor":"Microsoft","product":"Internet Explorer","known_ransomware":true},"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."]}