CVE-2009-1537: Microsoft DirectX NULL Byte Overwrite Vulnerability
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. 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.
· high severity · unattributed attribution
Evidence and provenance
- Original source
- CISA KEV report ↗
- Published
- 2026-05-20T00:00:00Z
- Confidence basis
- No actor match
- Record ID
874be37c08cac287f7d8
Vulnerabilities
CVE-2009-1537
Use and citation
Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.