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CVE-2014-4971

HIGH · CVSS 7.2EPSS 23.0%EU EUVD

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.

Key facts

CVSS score
7.2 (v2.0)
Severity
HIGH
CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
23.0% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2014-4886)
Published
July 26, 2014
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-4886 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / windows xp

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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