{"id":"CVE-2006-2374","aliases":["EUVD-2006-2375","GHSA-3rmc-m2pw-8q44"],"status":"published","title":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2,...","description":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the \"SMB Invalid Handle Vulnerability.\"","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01748,"percentile":0.77998,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-667"],"published":"2006-06-13T19:00:00Z","modified":"2026-06-16T22:24:52Z","exploits":[{"source":"exploitdb","id":"EDB-1911","title":"Microsoft Windows XP/2000 - 'Mrxsmb.sys' Local Privilege Escalation (MS06-030)","type":"local","platform":"windows","date":"2006-06-14","verified":true,"url":"https://www.exploit-db.com/exploits/1911"},{"source":"exploitdb","id":"EDB-28001","title":"Microsoft SMB Driver - Local Denial of Service","type":"dos","platform":"windows","date":"2006-06-13","verified":true,"url":"https://www.exploit-db.com/exploits/28001"}],"products":[{"vendor":"microsoft","product":"windows_2000"},{"vendor":"microsoft","product":"windows_2003_server"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://securitytracker.com/id?1016288","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1827","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1841","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2030","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26830","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2006/2327","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1979","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"http://www.idefense.com/intelligence/vulnerabilities/display.php?id=409","tags":["third-party-advisory","x_refsource_IDEFENSE","x_transferred","Not Applicable"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1850","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2060","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link","Third Party Advisory"]},{"url":"http://secunia.com/advisories/20635","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Third Party Advisory"]},{"url":"http://www.osvdb.org/26439","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/18357","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Exploit","Patch","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-2374"},{"url":"https://github.com/advisories/GHSA-3rmc-m2pw-8q44"}],"sources":{"cve":[{"id":"CVE-2006-2374","description":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the \"SMB Invalid Handle Vulnerability.\"","status":"published","published":"2006-06-13T19:00:00Z","modified":"2024-08-07T17:51:04.423Z","updated_at":"2026-11-02T14:33:49.265317Z"}],"euvd":[{"id":"EUVD-2006-2375","description":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the \"SMB Invalid Handle Vulnerability.\"","status":"published","published":"2006-06-13T19:00:00Z","modified":"2024-08-07T17:51:04Z","updated_at":"2026-11-03T01:16:01.004094Z"}],"ghsa":[{"id":"GHSA-3rmc-m2pw-8q44","title":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2,...","description":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the \"SMB Invalid Handle Vulnerability.\"","status":"published","published":"2022-05-01T06:58:18Z","modified":"2026-03-23T05:07:28Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-667"],"updated_at":"2026-11-02T15:06:47.740951Z"}],"nvd":[{"id":"CVE-2006-2374","description":"The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the \"SMB Invalid Handle Vulnerability.\"","status":"published","published":"2006-06-13T19:06:00Z","modified":"2026-06-16T22:24:52.98Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-667"],"updated_at":"2026-11-02T14:01:03.750605Z"}]}}