CVE-2009-2525

highpriority · attend · 45EPSS 0.233 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

23.3% (98th) EPSS

CVSS 9.3 · high

Is it mine?

10 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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."

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimary

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft windows 2000all versionsnvdUScpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
microsoft windows media format runtime= 11nvdUScpe:2.3:a:microsoft:windows_media_format_runtime:*:*:*:*:*:*:*:*
microsoft windows media format runtime= 9.0nvdUScpe:2.3:a:microsoft:windows_media_format_runtime:*:*:*:*:*:*:*:*
microsoft windows media format runtime= 9.5nvdUScpe:2.3:a:microsoft:windows_media_format_runtime:*:*:*:*:*:*:*:*
microsoft windows media player= 9nvdUScpe:2.3:a:microsoft:windows_media_player:*:*:*:*:*:*:*:*
microsoft windows server 2003all versionsnvdUScpe:2.3:o:microsoft:windows_server_2003:*:*:*:*:*:*:*:*
microsoft windows server 2008all versionsnvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows vistaall versionsnvdUScpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
microsoft windows xpall versionsnvdUScpe:2.3:o:microsoft:windows_xp:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-10-14modified 2026-06-16

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+10438 more

references (6)

External citations — patches, advisories, analysis.

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