CVE-2009-0555

Name: CVE-2009-0555
Creator: NVD / NIST
Published: 2009-10-14T10:30:00.92+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 27.09%

Last modified Jun 16, 2026

CVE-2009-0555 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 27.09% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability

27.09%

97.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 2000	All versions	Sp4
Microsoft	Windows Media Format Runtime	9.0	—
Microsoft	Windows Media Player	9	—
Microsoft	Windows Media Format Runtime	9.5	—
Microsoft	Windows Media Format Runtime	11	—
Microsoft	Windows Xp	All versions	Sp2
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Server 2008	All versions	—
Microsoft	Windows Vista	All versions	—

References

http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6407Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlThird Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6407Third Party Advisory

Timeline

Published: Oct 14, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0555?

How severe is CVE-2009-0555?

Severity scoring for CVE-2009-0555 is pending analysis. The EPSS model estimates a 27.09% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0555?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0555?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST