{"id":"CVE-2024-43451","aliases":["EUVD-2024-40720","GHSA-8rx5-xm8f-w3w5"],"status":"published","title":"NTLM Hash Disclosure Spoofing Vulnerability","description":"NTLM Hash Disclosure Spoofing Vulnerability","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.84266,"percentile":0.997,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-73"],"published":"2024-11-12T17:53:48Z","modified":"2026-06-17T07:51:04Z","kev":{"date_added":"2024-11-12","due_date":"2024-12-03","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-11-12"},{"source":"kev","since":"2024-11-12"}],"exploits":[{"source":"pocgithub","id":"RonF98/CVE-2024-43451-POC","title":"RonF98/CVE-2024-43451-POC","date":"2025-01-20","url":"https://github.com/RonF98/CVE-2024-43451-POC"},{"source":"pocgithub","id":"razureink/cve-2024-43451-ntlm_hash_disclosure_reproduction","title":"razureink/cve-2024-43451-ntlm_hash_disclosure_reproduction","date":"2026-07-23","url":"https://github.com/razureink/cve-2024-43451-ntlm_hash_disclosure_reproduction"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43451","tags":["vendor-advisory","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43451","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43451"},{"url":"https://github.com/advisories/GHSA-8rx5-xm8f-w3w5"}],"sources":{"cve":[{"id":"CVE-2024-43451","title":"NTLM Hash Disclosure Spoofing Vulnerability","description":"NTLM Hash Disclosure Spoofing Vulnerability","status":"published","published":"2024-11-12T17:53:48.946Z","modified":"2025-10-21T22:55:37.17Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:33:58.357949Z"}],"euvd":[{"id":"EUVD-2024-40720","description":"NTLM Hash Disclosure Spoofing 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The attacker could then leverage this hash to impersonate that user.","cwes":["CWE-73"],"kev":{"date_added":"2024-11-12","due_date":"2024-12-03","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2024-43451","description":"NTLM Hash Disclosure Spoofing Vulnerability","status":"published","published":"2024-11-12T18:15:22.483Z","modified":"2026-06-17T07:51:04.273Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:10:36.931115Z"}]}}