{"schema_version":"1","data":[{"id":3630,"advisory_id":"0c11f419-c62d-46db-8e41-32af4c10ccc6","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-26411","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:38:17.998419+00:00","extraction_method":"structured","technologies":["core-kev","internet-explorer"],"cve_ids":["CVE-2021-26411"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Internet Explorer Memory Corruption Vulnerability","summary":"Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-26411","products":[{"name":{"value":"Internet Explorer","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-26411","aliases":["CVE-2021-26411"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-416"],"cveID":"CVE-2021-26411","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-26411","dueDate":"2021-11-17","product":"Internet Explorer","dateAdded":"2021-11-03","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.","vulnerabilityName":"Microsoft Internet Explorer Memory Corruption Vulnerability","knownRansomwareCampaignUse":"Known"}},"related_cves":[{"value":"CVE-2021-26411","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3630,"next_before":3630}