{"id":"CVE-2014-4971","aliases":["EUVD-2014-4886","GHSA-r97w-68rj-55vf"],"status":"published","title":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which...","description":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.23046,"percentile":0.97766,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2014-07-26T15:00:00Z","modified":"2026-06-17T00:10:51Z","exploits":[{"source":"exploitdb","id":"EDB-34112","title":"Microsoft Windows XP SP3 - 'MQAC.sys' Arbitrary Write Privilege Escalation","type":"local","platform":"windows","date":"2014-07-19","url":"https://www.exploit-db.com/exploits/34112"},{"source":"exploitdb","id":"EDB-34131","title":"Microsoft Windows XP SP3 - 'BthPan.sys' Arbitrary Write Privilege Escalation","type":"local","platform":"windows","date":"2014-07-21","url":"https://www.exploit-db.com/exploits/34131"},{"source":"exploitdb","id":"EDB-34167","title":"Microsoft Windows XP SP3 - 'MQAC.sys' Arbitrary Write Privilege Escalation (Metasploit)","type":"local","platform":"windows_x86","date":"2014-07-25","verified":true,"url":"https://www.exploit-db.com/exploits/34167"},{"source":"exploitdb","id":"EDB-34982","title":"Microsoft Bluetooth Personal Area Networking - 'BthPan.sys' Local Privilege Escalation (Metasploit)","type":"local","platform":"windows_x86","date":"2014-10-15","verified":true,"url":"https://www.exploit-db.com/exploits/34982"},{"source":"metasploit","id":"exploit/windows/local/bthpan","title":"MS14-062 Microsoft Bluetooth Personal Area Networking (BthPan.sys) Privilege Escalation","type":"exploit","platform":"Windows","date":"2014-07-18","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/bthpan"},{"source":"metasploit","id":"exploit/windows/local/mqac_write","title":"MQAC.sys Arbitrary Write Privilege Escalation","type":"exploit","platform":"Windows","date":"2014-07-22","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/local/mqac_write"}],"products":[{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://www.securitytracker.com/id/1031025","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-062","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securityfocus.com/bid/68764","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://www.korelogic.com/Resources/Advisories/KL-001-2014-002.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/532844/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://packetstormsecurity.com/files/127536/Microsoft-XP-SP3-MQAC.sys-Arbitrary-Write-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.exploit-db.com/exploits/34112","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://www.exploit-db.com/exploits/34131","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://www.korelogic.com/Resources/Advisories/KL-001-2014-003.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://packetstormsecurity.com/files/127535/Microsoft-XP-SP3-BthPan.sys-Arbitrary-Write-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://packetstormsecurity.com/files/128674/Microsoft-Bluetooth-Personal-Area-Networking-BthPan.sys-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","VDB Entry"]},{"url":"http://www.exploit-db.com/exploits/34982","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"http://seclists.org/fulldisclosure/2014/Jul/97","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/532843/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.osvdb.org/109387","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/60974","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Permissions Required"]},{"url":"http://seclists.org/fulldisclosure/2014/Jul/96","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4971"},{"url":"https://github.com/advisories/GHSA-r97w-68rj-55vf"}],"sources":{"cve":[{"id":"CVE-2014-4971","description":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.","status":"published","published":"2014-07-26T15:00:00Z","modified":"2024-08-06T11:34:36.517Z","updated_at":"2026-11-02T14:33:45.604635Z"}],"euvd":[{"id":"EUVD-2014-4886","description":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.","status":"published","published":"2014-07-26T15:00:00Z","modified":"2024-08-06T11:34:36Z","updated_at":"2026-11-03T01:57:04.755556Z"}],"ghsa":[{"id":"GHSA-r97w-68rj-55vf","title":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which...","description":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.","status":"published","published":"2022-05-14T02:30:29Z","modified":"2023-02-02T05:05:58Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:13.176189Z"}],"nvd":[{"id":"CVE-2014-4971","description":"Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.","status":"published","published":"2014-07-26T15:55:04.387Z","modified":"2026-06-17T00:10:51.017Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:55.19899Z"}]}}