{"id":"CVE-2009-0080","aliases":["EUVD-2009-0089","GHSA-x82p-3w9h-8xq7"],"status":"published","title":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement...","description":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka \"Windows Thread Pool ACL Weakness Vulnerability.\"","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02358,"percentile":0.83872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269"],"published":"2009-04-15T03:49:00Z","modified":"2026-06-16T23:04:13Z","exploits":[{"source":"exploitdb","id":"EDB-32893","title":"Microsoft Windows Vista/2008 - Thread Pool ACL Privilege Escalation","type":"local","platform":"windows","date":"2009-04-14","verified":true,"url":"https://www.exploit-db.com/exploits/32893"}],"products":[{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"http://www.securitytracker.com/id?1022044","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-104A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-012","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2009/1026","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Permissions Required"]},{"url":"http://osvdb.org/53668","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6177","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0080"},{"url":"https://github.com/advisories/GHSA-x82p-3w9h-8xq7"}],"sources":{"cve":[{"id":"CVE-2009-0080","description":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka \"Windows Thread Pool ACL Weakness Vulnerability.\"","status":"published","published":"2009-04-15T03:49:00Z","modified":"2024-08-07T04:24:17.096Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0089","description":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka \"Windows Thread Pool ACL Weakness Vulnerability.\"","status":"published","published":"2009-04-15T03:49:00Z","modified":"2024-08-07T04:24:17Z","updated_at":"2026-11-03T01:39:27.659956Z"}],"ghsa":[{"id":"GHSA-x82p-3w9h-8xq7","title":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement...","description":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka \"Windows Thread Pool ACL Weakness Vulnerability.\"","status":"published","published":"2022-05-02T03:12:42Z","modified":"2023-01-31T05:06:39Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:49:04.453049Z"}],"nvd":[{"id":"CVE-2009-0080","description":"The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka \"Windows Thread Pool ACL Weakness Vulnerability.\"","status":"published","published":"2009-04-15T08:00:00.407Z","modified":"2026-06-16T23:04:13.37Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:01:34.44527Z"}]}}