CVE-2009-1537
highCVSS v3 Base Score
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
74.1%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
⚠️ CISA Known Exploited Vulnerability
Added to KEV: 2026-05-20
Remediation Due: 2026-06-03 (⚠ 37d overdue)
Vulnerability Report
Generated by CyberWatcher
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."
CWE
NVD-CWE-noinfoAffected Products
microsoft directxmicrosoft windows 2000microsoft windows 2003 servermicrosoft windows server 2003microsoft windows xp