CVE-2009-1537: Microsoft DirectX NULL Byte Overwrite Vulnerability

CVE ID

CVE-2009-1537

Vulnerability Name

Microsoft DirectX NULL Byte Overwrite Vulnerability

• Project: Microsoft
• Product: DirectX

Date

• Date Added: 2026-05-20
• Due Date: 2026-06-03

Description

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.

Known To Be Used in Ransomware Campaigns?

Unknown

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.

Additional Notes

https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537

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