CVE-2006-6134

CVE-2006-6134 is a high-severity vulnerability in Microsoft Windows Media Player with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 41% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 41% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Microsoft Windows Media Player
• Published: 2006-11-28
• Last modified: 2026-06-16

Description

Heap-based buffer overflow in the WMCheckURLScheme function in WMVCORE.DLL in Microsoft Windows Media Player (WMP) 10.00.00.4036 on Windows XP SP2, Server 2003, and Server 2003 SP1 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via a long HREF attribute, using an unrecognized protocol, in a REF element in an ASX PlayList file.

Frequently asked questions

What is CVE-2006-6134?

Heap-based buffer overflow in the WMCheckURLScheme function in WMVCORE.DLL in Microsoft Windows Media Player (WMP) 10.00.00.4036 on Windows XP SP2, Server 2003, and Server 2003 SP1 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via a long HREF attribute, using an unrecognized protocol, in a REF element in an ASX PlayList file.

How severe is CVE-2006-6134?

CVE-2006-6134 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-6134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6134?

CVE-2006-6134 affects Microsoft Windows Media Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-6134?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-6134 published?

CVE-2006-6134 was published on 2006-11-28 and last updated on 2026-06-16.

References

• http://blogs.technet.com/msrc/archive/2006/12/07/public-proof-of-concept-code-for-asx-file-format-isssue.aspx
• http://research.eeye.com/html/alerts/zeroday/20061122.html
• http://secunia.com/advisories/22971
• http://securityreason.com/securityalert/1922
• http://securitytracker.com/id?1017354
• http://support.avaya.com/elmodocs2/security/ASA-2006-274.htm
• http://www.kb.cert.org/vuls/id/208769
• http://www.securityfocus.com/archive/1/452352/100/0/threaded
• http://www.securityfocus.com/archive/1/453579/100/0/threaded
• http://www.securityfocus.com/archive/1/454969/100/200/threaded
• http://www.securityfocus.com/bid/21247
• http://www.us-cert.gov/cas/techalerts/TA06-346A.html
• http://www.vupen.com/english/advisories/2006/4882
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-078
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A669

Affected products (1)

• cpe:2.3:a:microsoft:windows_media_player:10.00.00.4036:*:*:*:*:*:*:*

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