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.
Product
DirectX
Added to KEV
20 May 2026
Federal remediation due
3 Jun 2026
Known ransomware use
Not reported
Page history
Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.