Exploitation Summary
CVE-2009-0555 has been observed exploited in the wild (reported by VulnCheck KEV).
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."
References (3)
Core 3
Core References
Third Party Advisory vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6407
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Patch, Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051
Scores
EPSS
0.2709
EPSS Percentile
97.8%
Details
VulnCheck KEV
2009-11-10
CWE
CWE-94
Status
published
Products (9)
microsoft/windows_2000
microsoft/windows_media_format_runtime
9.0
microsoft/windows_media_format_runtime
9.5
microsoft/windows_media_format_runtime
11
microsoft/windows_media_player
9
microsoft/windows_server_2003
(2 CPE variants)
microsoft/windows_server_2008
(4 CPE variants)
microsoft/windows_vista
(6 CPE variants)
microsoft/windows_xp
(3 CPE variants)
Published
Oct 14, 2009
Tracked Since
Feb 18, 2026