{"cve":"CVE-2009-2524","nvd":{"published":"2009-10-14T10:30:01.627","modified":"2026-06-16T23:09:38.033","status":"Modified","description":"Integer underflow in the NTLM authentication feature in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows remote attackers to cause a denial of service (reboot) via a malformed packet, aka \"Local Security Authority Subsystem Service Integer Overflow Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://www.us-cert.gov/cas/techalerts/TA09-286A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-059","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6263","http://www.us-cert.gov/cas/techalerts/TA09-286A.html","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-059"],"products":["microsoft:windows_2003_server","microsoft:windows_7","microsoft:windows_server_2008","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2524","score":0.28261,"percentile":0.98117,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}