{"cve":"CVE-2009-1922","nvd":{"published":"2009-08-12T17:30:00.627","modified":"2026-06-16T23:08:22.043","status":"Modified","description":"The Message Queuing (aka MSMQ) service for Microsoft Windows 2000 SP4, XP SP2, Server 2003 SP2, and Vista Gold does not properly validate unspecified IOCTL request data from user mode before passing this data to kernel mode, which allows local users to gain privileges via a crafted request, aka \"MSMQ Null Pointer Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://en.securitylab.ru/lab/PT-2008-09","http://osvdb.org/56901","http://secunia.com/advisories/36214","http://www.securityfocus.com/archive/1/505691/100/0/threaded","http://www.securitytracker.com/id?1022714"],"products":["microsoft:windows_2000","microsoft:windows_server_2003","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-1922","score":0.01345,"percentile":0.71412,"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."]}