# CVE-2009-1537

Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows 2000 SP4, Windows XP SP2 and SP3, and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted QuickTime media file, as exploited in the wild in May 2009, aka "DirectX NULL Byte Overwrite Vulnerability."

- Page: https://www.vulneraibility.com/cve/CVE-2009-1537
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2026-05-20; CISA due date 2026-06-03
- EPSS: 51.36%
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2026-05-20)
- Weakness: CWE-158
- Published: 2009-05-29

## Affected

- microsoft:directx
- microsoft:windows_2000
- microsoft:windows_2003_server
- microsoft:windows_server_2003
- microsoft:windows_xp

## References

- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028
- [other] http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-parsing.aspx
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6237
- [advisory] http://secunia.com/advisories/35268
- [other] http://www.securitytracker.com/id?1022299
- [other] http://www.vupen.com/english/advisories/2009/1886
- [other] http://www.vupen.com/english/advisories/2009/1445
- [other] http://osvdb.org/54797
- [other] http://www.securityfocus.com/bid/35139
- [advisory] http://www.us-cert.gov/cas/techalerts/TA09-195A.html
- [other] http://isc.sans.org/diary.html?storyid=6481
- [other] http://www.microsoft.com/technet/security/advisory/971778.mspx
- [other] http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-1537

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.