CVE-2014-4971
Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Public exploit
3 references of the record are tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 34112 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 34131 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 34982 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By mitre
- 11 days later
· 11 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 23.0% · top 2.2% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
n/a
- affected n/a
References (18)
- 1031025 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- MS14-062 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 68764 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.korelogic.com/Resources/Advisories/KL-001-2014-002.txt (opens in a new tab)x_refsource_MISCx_transferred
- 20140718 KL-001-2014-003 : Microsoft XP SP3 MQAC.sys Arbitrary Write Privilege Escalation (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/127536/Microsoft-XP-SP3-MQAC.sys-Arbitrary-Write-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- 34112 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 34131 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.korelogic.com/Resources/Advisories/KL-001-2014-003.txt (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/127535/Microsoft-XP-SP3-BthPan.sys-Arbitrary-Write-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/128674/Microsoft-Bluetooth-Personal-Area-Networking-BthPan.sys-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- 34982 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20140718 KL-001-2014-003 : Microsoft XP SP3 MQAC.sys Arbitrary Write Privilege Escalation (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20140718 KL-001-2014-002 : Microsoft XP SP3 BthPan.sys Arbitrary Write Privilege Escalation (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 109387 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 60974 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20140718 KL-001-2014-002 : Microsoft XP SP3 BthPan.sys Arbitrary Write Privilege Escalation (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-4971)Record last updated .