{"id":"CVE-2025-24054","published":"2025-03-11T17:16:27Z","modified":"2026-06-17T08:57:57Z","title":"Microsoft Windows NTLM Hash Disclosure Spoofing Vulnerability","vendor":"Microsoft","product":"Windows","tier":"core","eol":null,"description":{"text":"External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an external control of file name or path weakness in the NTLM component of Microsoft Windows, which allows spoofing. An unauthorized attacker on the network can exploit it without privileges, but it requires user interaction, and the effect is limited to information disclosure of NTLM hashes and integrity impact.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:36Z"},"cvss":{"score":5.4,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.6227,"percentile":0.9918,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2025-04-17","dueDate":"2025-05-08","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24054","provenance":"source"},"vulncheckKev":{"dateAdded":"2025-04-16","exploitedFirstSeen":"2025-04-16","ransomware":false,"evidence":[{"url":"https://research.checkpoint.com/2025/cve-2025-24054-ntlm-exploit-in-the-wild/","date":"2025-04-16"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2025-04-17"},{"url":"https://www.cyfirma.com/research/rendershock-weaponizing-trust-in-file-rendering-pipelines/","date":"2025-07-10"},{"url":"https://www.enisa.europa.eu/sites/default/files/2025-10/ENISA%20Threat%20Landscape%202025.pdf","date":"2025-10-09"},{"url":"https://securelist.com/ntlm-abuse-in-2025/118132/","date":"2025-11-26"},{"url":"https://www.loginsoft.com/reports/annually/vulnerability-intelligence-report-2025","date":"2026-01-20"},{"url":"https://www.rapid7.com/blog/post/tr-exposed-webdav-malware-delivery-lab-analysis/","date":"2026-07-20"}],"evidenceTotal":7,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"}],"provenance":"machine"},"cwes":[{"id":"CWE-73","name":"External Control of File Name or Path"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24054","tags":["Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2025/Apr/28","tags":["Mailing List"]},{"url":"https://www.exploit-db.com/exploits/52478","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/52480","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-detection-script","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-mitigation-script","tags":["Mitigation","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24054","tags":["US Government Resource"]}],"techniques":[{"id":"T1566","name":"Phishing","tactics":["initial-access"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Spoofing Vulnerability","mappingType":"exploitation_technique","evidence":[],"comment":"Using a crafted .library-ms file, attackers can exploit this spoofing vulnerability to gain access to NTLM hashes on the system. This was officially patched by Microsoft on March 11, 2025, but has been exploited in the wild as of March 19, 2025.","confidence":"high"},{"id":"T1555","name":"Credentials from Password Stores","tactics":["credential-access"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Spoofing Vulnerability","mappingType":"primary_impact","evidence":[],"comment":"Using a crafted .library-ms file, attackers can exploit this spoofing vulnerability to gain access to NTLM hashes on the system. This was officially patched by Microsoft on March 11, 2025, but has been exploited in the wild as of March 19, 2025.","confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2025-6336","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-6336","exploited":true,"exploitedSince":"2025-04-17","provenance":"source"},"exploits":[{"id":52280,"url":"https://www.exploit-db.com/exploits/52280","title":"Microsoft - NTLM Hash Disclosure Spoofing (library-ms)","type":"local","platform":"windows","date":"2025-05-01","verified":false,"provenance":"source"},{"id":52478,"url":"https://www.exploit-db.com/exploits/52478","title":"windows 10/11 - NTLM Hash Disclosure Spoofing","type":"remote","platform":"windows","date":"2026-02-04","verified":false,"provenance":"source"},{"id":52480,"url":"https://www.exploit-db.com/exploits/52480","title":"Windows 10.0.17763.7009 - spoofing vulnerability","type":"remote","platform":"windows","date":"2026-02-11","verified":false,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":3,"earliest":"2025-05-01"},"pocGithub":{"count":8,"skipped":2,"earliest":"2025-04-18","earliestUrl":"https://github.com/basekilll/CVE-2025-24054_PoC","repos":[{"name":"helidem/CVE-2025-24054_CVE-2025-24071-PoC","url":"https://github.com/helidem/CVE-2025-24054_CVE-2025-24071-PoC","stars":22,"created":"2025-04-22"},{"name":"basekilll/CVE-2025-24054_PoC","url":"https://github.com/basekilll/CVE-2025-24054_PoC","stars":4,"created":"2025-04-18"},{"name":"Untouchable17/CVE-2025-24054","url":"https://github.com/Untouchable17/CVE-2025-24054","stars":2,"created":"2025-11-23"},{"name":"moften/CVE-2025-24054","url":"https://github.com/moften/CVE-2025-24054","stars":1,"created":"2025-05-19"},{"name":"Wind010/CVE-2025-24054_PoC","url":"https://github.com/Wind010/CVE-2025-24054_PoC","stars":0,"created":"2025-11-09"}]},"first":{"date":"2025-04-18","source":"PoC-in-GitHub","url":"https://github.com/basekilll/CVE-2025-24054_PoC"},"provenance":"source"},"detections":{"cveRules":[{"title":"Suspicious Creation of .library-ms File — Potential CVE-2025-24054 Exploit","id":"5a7132c0-86db-4e6b-95c0-f0e9d7f461aa","level":"medium","status":"experimental","path":"rules-emerging-threats/2025/Exploits/CVE-2025-24054/file_event_win_exploit_cve_2025_24054_library_ms.yml","url":"https://github.com/SigmaHQ/sigma/blob/master/rules-emerging-threats/2025/Exploits/CVE-2025-24054/file_event_win_exploit_cve_2025_24054_library_ms.yml","techniques":["T1187"]}]},"exploitRefs":["https://www.exploit-db.com/exploits/52478","https://www.exploit-db.com/exploits/52480","https://www.vicarius.io/vsociety/posts/cve-2025-24054-spoofing-vulnerability-in-windows-ntlm-by-microsoft-detection-script"],"flow":[{"stage":"exploitation","techniques":["T1566"],"provenance":"source"},{"stage":"primary","techniques":["T1555"],"provenance":"source"}],"timeline":[{"date":"2025-03-11","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-24054","provenance":"source"},{"date":"2025-04-16","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://research.checkpoint.com/2025/cve-2025-24054-ntlm-exploit-in-the-wild/","provenance":"source"},{"date":"2025-04-17","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2025-04-17","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-6336","provenance":"source"},{"date":"2025-04-18","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub; later: Exploit-DB 2025-05-01","url":"https://github.com/basekilll/CVE-2025-24054_PoC","provenance":"source"}],"speed":{"daysToPublicExploit":38,"firstExploitFrom":"PoC-in-GitHub","daysToKev":37},"priority":{"score":66.6,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 562 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.84,"detail":"percentile 0.9918"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit; 3 Exploit-DB entries; 8 PoC-in-GitHub repos"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":3.78,"detail":"base score 5.4"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}