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Vulnerability record · CVE-2011-3401 · published 14 December 2011

CVE-2011-3401: Microsoft windows 7 code injection vulnerability

Microsoft · Windows 7

ENCDEC.DLL in Windows Media Player and Media Center in Microsoft Windows XP SP2 and SP3, Windows Vista SP2, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .dvr-ms file, aka "Windows Media Player DVR-MS Memory Corruption Vulnerability."

9.3 CVSS 2.0 High EPSS 21% · top 2.5% CWE-94 · Code injection
9.3CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

ENCDEC.DLL in Windows Media Player and Media Center in Microsoft Windows XP SP2 and SP3, Windows Vista SP2, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .dvr-ms file, aka "Windows Media Player DVR-MS Memory Corruption Vulnerability."

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA11-347A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-092
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14281
http://www.us-cert.gov/cas/techalerts/TA11-347A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-092
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14281

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Source: NIST National Vulnerability Database (record CVE-2011-3401), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.