# CVE-2009-1537: A Microsoft DirectX bug is being used in attacks

Status: Being used now (CISA KEV, added 2026-05-20)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Microsoft DirectX (CVE-2009-1537) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2009-1537. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official 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.

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

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.