CVE-2009-1537 — Microsoft DirectX NULL Byte Overwrite Vulnerability
CVE-2009-1537: Microsoft DirectX NULL Byte Overwrite Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | DirectX |
| Date added | 2026-05-20 |
| Due date | 2026-06-03 |
| Ransomware campaign use | Unknown |
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2009-1537
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog