CVE-2009-1537: Microsoft DirectX NULL Byte Overwrite Vulnerability
Summary
Microsoft DirectX has a NULL byte overwrite vulnerability in the QuickTime Movie Parser Filter that could allow remote code execution. Attackers can exploit this by sending a crafted QuickTime media file.
IFF Assessment
FOE
This vulnerability allows for remote code execution, which is a significant threat to systems and data.
Severity
8.8
High
CISA KEV: Listed as actively exploited. Federal patch due: June 03, 2026. Known ransomware use: Unknown.
Defender Context
This is an older vulnerability that could be exploited by sophisticated attackers. Defenders should ensure systems are patched or mitigated against known DirectX vulnerabilities. Monitoring for exploitation attempts targeting legacy media parsing components is also advisable.