CVE-2009-1537 KEV
8.8
HIGH · CVSS 3.1 · EPSS 51.2% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2026-06-03.
Description
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."
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 51.21% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-158 |
| On CISA KEV | yes — remediate by 2026-06-03 |
| Public exploit | none known |
| Published | 2009-05-29 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Microsoft DirectX NULL Byte Overwrite Vulnerability |
|---|---|
| Added | 2026-05-20 |
| Due | 2026-06-03 |
| Vendor / product | Microsoft / DirectX |
| Ransomware use | none reported |
Affected (5)
| Vendor | Product |
|---|---|
| microsoft | directx |
| microsoft | windows 2000 |
| microsoft | windows 2003 server |
| microsoft | windows server 2003 |
| microsoft | windows xp |
References
- http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx
- 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
- http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx
- 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
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