CVE-2009-1537 — Actively Exploited: DirectX (Microsoft)
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.
| CVE ID | CVE-2009-1537 |
|---|---|
| Vendor | Microsoft |
| Product | DirectX |
| Vulnerability name | Microsoft DirectX NULL Byte Overwrite Vulnerability |
| Date added | 2026-05-20 |
| Remediation due | 2026-06-03 |
| Known ransomware use | Unknown |
| 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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