CVE-2008-3009

Exploitation likely. EPSS gives it a 16% chance of exploitation in the next 30 days. No fix published yet.

CVSS 2.010.0Critical EPSS percentile97th16% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixNone yetNo fix or workaround published

Published 2008-12-10Updated 2026-04-23Sources: CVE.org, NVD

NVD CVE.org

What to do

No fixed build or workaround is published yet. Limit exposure and watch for a patch.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Microsoft Windows Media Player 6.4, Windows Media Format Runtime 7.1 through 11, and Windows Media Services 4.1, 9, and 2008 do not properly use the Service Principal Name (SPN) identifier when validating replies to authentication requests, which allows remote servers to execute arbitrary code via vectors that employ NTLM credential reflection, aka "SPN Vulnerability."

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS97th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

16% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 6406 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-06-22EPSS band changehigh → moderate
2026-04-23Record updated
2008-12-10Publishedweakness classified

Affected products

microsoftcommercial · US
- windows media playerDesktop AppOn-premConsumer Software / media-player
- windows media format runtimeOn-premOperating Systems / windows
- windows media servicesOn-premNetworking Infrastructure

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

AV:N/AC:L/Au:N/C:C/I:C/A:C

Scored 10.0 by NVD.

How it is reached

Access Vector NetworkExploitable remotely over the network
Access Complexity LowNo special conditions required
Authentication NoneNo authentication required

Impact if exploited

Confidentiality CompleteAll information is disclosed
Integrity CompleteAll data can be modified
Availability CompleteTotal shutdown of the affected resource

Weaknesses

CWE-255No name in the record

Sources

References in the record

And 5 more references. See all after sign-in

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