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Vulnerability record · CVE-2009-0555 · published 14 October 2009

CVE-2009-0555: Microsoft windows 2000 code injection vulnerability

Microsoft · Windows 2000

Microsoft Windows Media Runtime, as used in DirectShow WMA Voice Codec, Windows Media Audio Voice Decoder, and Audio Compression Manager (ACM), does not properly process Advanced Systems Format (ASF) files, which allows remote attackers to execute arbitrary code via a crafted audio file that uses the Windows Media Speech codec, aka "Windows Media Runtime Voice Sample Rate Vulnerability."

9.3 CVSS 2.0 High EPSS 27% · top 2.0% CWE-94 · Code injection
9.3CVSS 2.0 base score
27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Microsoft Windows Media Runtime, as used in DirectShow WMA Voice Codec, Windows Media Audio Voice Decoder, and Audio Compression Manager (ACM), does not properly process Advanced Systems Format (ASF) files, which allows remote attackers to execute arbitrary code via a crafted audio file that uses the Windows Media Speech codec, aka "Windows Media Runtime Voice Sample Rate Vulnerability."

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

Affected products

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

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA09-286A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051 PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6407 Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-286A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051 PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6407 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-0555), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.