CVE-2009-2525

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
33.8%
Exploitation probability in 30 days
Top 3% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
C
Integrity
C
Availability
C
Published: October 14, 2009 (6056 days ago)
Last Modified: April 23, 2026
Vendor: Microsoft
Source: 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 initialize unspecified functions within compressed audio files, which allows remote attackers to execute arbitrary code via (1) a crafted media file or (2) crafted streaming content, aka "Windows Media Runtime Heap Corruption Vulnerability."

CWE

CWE-94

Affected Products

microsoft windows 2000microsoft windows media format runtimemicrosoft windows media playermicrosoft windows xpmicrosoft windows server 2003microsoft windows server 2008microsoft windows vista

References

🔗 www.us-cert.gov 🔗 docs.microsoft.com 🔗 oval.cisecurity.org 🔗 www.us-cert.gov 🔗 docs.microsoft.com