{"uuid": "cf92ed75-0bce-4ed0-b68d-401168ad5199", "vulnerability": {"vulnId": "CVE-2009-1537", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "cf92ed75-0bce-4ed0-b68d-401168ad5199"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-05-20T00:00:00+00:00"}, "timestamps": {"asserted_at": "2026-05-20T00:00:00+00:00", "recorded_at": "2026-05-20T18:00:02+00:00", "first_seen_at": "2026-05-20T00:00:00+00:00"}, "scope": {"notes": "KEV entry: Microsoft DirectX NULL Byte Overwrite Vulnerability | Affected: Microsoft / DirectX | 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: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": [], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "DirectX", "due_date": "2026-06-03", "date_added": "2026-05-20", "vendorProject": "Microsoft", "vulnerabilityName": "Microsoft DirectX NULL Byte Overwrite Vulnerability", "knownRansomwareCampaignUse": "Unknown"}}], "references": [{"id": "CVE-2009-1537", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2009-1537"}]}