SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the…

EXPLOIT ×4 ✓HIGH 7.2EPSS 23.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 2.0
7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS
23.05% probability · 98th percentile
Public exploits
4 in Exploit-DB · verified · first 19 July 2014
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows xp
Source
cve@mitre.org
EPSS trend
0%13%25%26 October 2026: 23.05%26 October 202626 October 2026

EPSS 23.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (4)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-34982source ↗Microsoft Bluetooth Personal Area Networking - 'BthPan.sys' Local Privilege Escalation (Metasploit)windows_x86 · Metasploitlocal15 October 2014yes
EDB-34167source ↗Microsoft Windows XP SP3 - 'MQAC.sys' Arbitrary Write Privilege Escalation (Metasploit)windows_x86 · Metasploitlocal25 July 2014yes
EDB-34131source ↗Microsoft Windows XP SP3 - 'BthPan.sys' Arbitrary Write Privilege Escalationwindows · KoreLogiclocal21 July 2014no
EDB-34112source ↗Microsoft Windows XP SP3 - 'MQAC.sys' Arbitrary Write Privilege Escalationwindows · KoreLogiclocal19 July 2014no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.