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CVE

CVE-2009-2525

Microsoft Windows Media Runtime, as used in DirectShow WMA Voice Codec, Windows Media Audio Voice Decoder, and Audio Com

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.".

HIGH · CVSS 9.3 EPSS 0.30308
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules3 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
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Affected Products & Versions

7
microsoft windows 2000all versions
microsoft windows media format runtimeall versions
microsoft windows media playerall versions
microsoft windows xpall versions
microsoft windows server 2003all versions
microsoft windows server 2008all versions
microsoft windows vistaall versions
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Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighUAC Bypass Using Windows Media Player - File
producthighUAC Bypass Using Windows Media Player - Process
producthighUAC Bypass Using Windows Media Player - Registry
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Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD14 Oct 2009 · 10:30 AM
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-051
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6484
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