netVigilance Vulnerability intelligence since 2004
CVE-2009-1537 · netVigilance record NV26-0110

Microsoft DirectX NULL Byte Overwrite

past due

What to do

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 deadline 2026-06-03 · passed 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Microsoft DirectX. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 3 months ago

Sources