{
  "id": "CVE-2009-1537",
  "url": "https://spydr.io/cve/CVE-2009-1537",
  "published": "2009-05-29T18:30:00.187Z",
  "modified": "2026-06-16T23:07:28.827Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "CISA ADP",
  "epss": 0.51207,
  "epss_percentile": 0.98906,
  "exploited": true,
  "kev": {
    "added": "2026-05-20",
    "due": "2026-06-03",
    "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.",
    "ransomware": "Unknown",
    "name": "Microsoft DirectX NULL Byte Overwrite Vulnerability",
    "notes": "https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "microsoft"
  ],
  "products": [
    "microsoft directx",
    "microsoft windows 2000",
    "microsoft windows 2003 server",
    "microsoft windows server 2003",
    "microsoft windows xp"
  ],
  "cwes": [
    "CWE-158"
  ],
  "description": "Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows 2000 SP4, Windows XP SP2 and SP3, and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted QuickTime media file, as exploited in the wild in May 2009, aka \"DirectX NULL Byte Overwrite Vulnerability.\"",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-parsing.aspx",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://isc.sans.org/diary.html?storyid=6481",
      "tags": [
        "Not Applicable"
      ]
    },
    {
      "url": "http://osvdb.org/54797",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://secunia.com/advisories/35268",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.microsoft.com/technet/security/advisory/971778.mspx",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/35139",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id?1022299",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA09-195A.html",
      "tags": [
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1445",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1886",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6237",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-1537",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2009-1537",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}