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."

Score: CVSS 3.1 8.8 High
Status: Analyzed - secure@microsoft.com
Published: 2009-05-29
Last modified: 2026-05-21
Known exploited (CISA KEV): since 2026-05-20, action due 2026-06-03: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Weaknesses: CWE-158

Affected products

References

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