{"id":"CVE-2024-21447","published":"2024-04-09T17:00:40Z","modified":"2025-05-03T00:39:08Z","title":"Windows Authentication Elevation of Privilege Vulnerability","vendor":"Microsoft","product":"Windows Server 2022","tier":"core","eol":null,"affectedVersions":[{"vendor":"Microsoft","product":"Windows Server 2022","versions":[">= 10.0.20348.0, < 10.0.20348.2402"]},{"vendor":"Microsoft","product":"Windows 11 version 21H2","versions":[">= 10.0.0, < 10.0.22000.2899"]},{"vendor":"Microsoft","product":"Windows 10 Version 21H2","versions":[">= 10.0.19043.0, < 10.0.19044.4291"]},{"vendor":"Microsoft","product":"Windows 11 version 22H2","versions":[">= 10.0.22621.0, < 10.0.22621.3447"]},{"vendor":"Microsoft","product":"Windows 10 Version 22H2","versions":[">= 10.0.19045.0, < 10.0.19045.4291"]},{"vendor":"Microsoft","product":"Windows 11 version 22H3","versions":[">= 10.0.22631.0, < 10.0.22631.3447"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.3447"]},{"vendor":"Microsoft","product":"Windows Server 2022, 23H2 Edition (Server Core installation)","versions":[">= 10.0.25398.0, < 10.0.25398.830"]}],"description":{"text":"Windows Authentication Elevation of Privilege Vulnerability","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.01383,"percentile":0.72102,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-02-26","exploitedFirstSeen":"2025-02-26","ransomware":false,"evidence":[{"url":"https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/","date":"2025-02-26"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":2,"pulses":[{"name":"Vulnerability landscape analysis for Q4 2024 | Securelist","url":"https://otx.alienvault.com/pulse/67beee0328f327df37f068e7","created":"2025-02-26"},{"name":"ACTUALIZACION | Microsoft (MSRC) investiga todos los informes de vulnerabilidades de seguridad que afectan los productos","url":"https://otx.alienvault.com/pulse/6616a8c8db96521f89e83a6c","created":"2024-04-10"}],"provenance":"machine"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21447","tags":["vendor-advisory"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-19156","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-19156","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2024-04-09","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-21447","provenance":"source"},{"date":"2025-02-26","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":56.0,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 611 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":14.42,"detail":"percentile 0.7210"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.08,"detail":"2 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-59"}}