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Findings

CVE-2009-1537

Microsoft DirectX NULL Byte Overwrite Vulnerability

Published May 29, 2009 · updated Jun 16, 2026 · Microsoft DirectX

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."

Timeline

Detection, updates, and resolution for this record.

  1. May 29, 2009 · Catalog

    Detected

    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."

  2. May 20, 2026 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. Jun 3, 2026 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    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."

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date Jun 3, 2026

Affected

  • cpe microsoft/directx7.0
  • cpe microsoft/directx7.0a
  • cpe microsoft/directx7.1
  • cpe microsoft/directx8.1
  • cpe microsoft/directx8.1b
  • cpe microsoft/directx9.0
  • cpe microsoft/directx9.0a
  • cpe microsoft/directx9.0b
  • cpe microsoft/windows 2000version unspecified
  • vendor Microsoft DirectXversion unspecified

Sources

  • CISA KEVCVE-2009-1537

    Microsoft DirectX contains a NULL byte overwrite vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow which could allow remote attackers to execute arbitrary code via a crafted QuickTime media file.

    cisa.gov
  • CVE.orgCVE-2009-1537

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2009-1537

    30-day exploitation probability 51.2%

    first.org
  • NIST NVDCVE-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 medi

    nvd.nist.gov

References