{"schema":"threatline.record/2","record":{"id":"CVE-2024-21351","aliases":[],"summary":"Microsoft Windows SmartScreen Security Feature Bypass Vulnerability","details":"Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.","categories":["Operating systems"],"product":"Windows","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1507","vendor":"Microsoft","versions":[{"version":"10.0.10240.0","lessThan":"10.0.10240.20469","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"version":"10.0.14393.0","lessThan":"10.0.14393.6709","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"version":"10.0.17763.0","lessThan":"10.0.17763.5458","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"version":"10.0.0","lessThan":"10.0.17763.5458","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"version":"10.0.19043.0","lessThan":"10.0.19044.4046","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"version":"10.0.19045.0","lessThan":"10.0.19045.4046","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 11 version 21H2","vendor":"Microsoft","versions":[{"version":"10.0.0","lessThan":"10.0.22000.2777","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 11 version 22H2","vendor":"Microsoft","versions":[{"version":"10.0.22621.0","lessThan":"10.0.22621.3155","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 11 version 22H3","vendor":"Microsoft","versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.3155","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 11 Version 23H2","vendor":"Microsoft","versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.3155","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server 2016","vendor":"Microsoft","versions":[{"version":"10.0.14393.0","lessThan":"10.0.14393.6709","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server 2019","vendor":"Microsoft","versions":[{"version":"10.0.17763.0","lessThan":"10.0.17763.5458","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server 2022","vendor":"Microsoft","versions":[{"version":"10.0.20348.0","lessThan":"10.0.20348.2322","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 10 Version 1507","ecosystem":null},"version":"10.0.10240.20469","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 10 Version 1607","ecosystem":null},"version":"10.0.14393.6709","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 10 Version 1809","ecosystem":null},"version":"10.0.17763.5458","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 10 Version 21H2","ecosystem":null},"version":"10.0.19044.4046","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 10 Version 22H2","ecosystem":null},"version":"10.0.19045.4046","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 11 version 21H2","ecosystem":null},"version":"10.0.22000.2777","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 11 version 22H2","ecosystem":null},"version":"10.0.22621.3155","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 11 version 22H3","ecosystem":null},"version":"10.0.22631.3155","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows 11 Version 23H2","ecosystem":null},"version":"10.0.22631.3155","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows Server 2016","ecosystem":null},"version":"10.0.14393.6709","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows Server 2019","ecosystem":null},"version":"10.0.17763.5458","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","source_modified_at":"2026-08-10T17:52:23.215Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Windows Server 2022","ecosystem":null},"version":"10.0.20348.2322","basis":"first unaffected version stated in the CVE record"}],"cvss":7.6,"severity":"High","kev":{"listed":true,"date_added":"2024-02-13","due_date":"2024-03-05","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.27798,"percentile":0.98094,"score_date":"2026-10-23"},"published_at":"2024-02-13T18:02:12.076Z","modified_at":"2026-08-10T17:52:23.215Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2024-21351","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-10T17:52:23.215Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2024-21351","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-21351","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21351","source":"CISA KEV"},{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21351","tags":["vendor-advisory","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21351","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2024-05-01T18:40:04.299781Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-10T17:52:23.215Z","content_hash":"49486b1117edba447c2ebf8c0dc12b43368de012e2578ccc4bd9344e3be5d60d"}}