{"id":"CVE-2009-1537","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-1537","generatedAt":"2026-10-28T15:29:15.266Z","title":"Microsoft DirectX NULL Byte Overwrite Vulnerability","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.\"","published":"2009-05-29T18:30:00.000Z","lastModified":"2026-06-16T23:07:29.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-158"],"affected":["microsoft/directx","microsoft/windows 2000","microsoft/windows 2003 server","microsoft/windows server 2003","microsoft/windows xp"],"epss":{"score":0.51362,"percentile":0.98934,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2026-05-20","dueDate":"2026-06-03","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028 ; https://nvd.nist.gov/vuln/detail/CVE-2009-1537"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 June 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-parsing.aspx","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://isc.sans.org/diary.html?storyid=6481","tags":["Not Applicable"],"source":"secure@microsoft.com"},{"url":"http://osvdb.org/54797","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/35268","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.microsoft.com/technet/security/advisory/971778.mspx","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/35139","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id?1022299","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-195A.html","tags":["US Government Resource"],"source":"secure@microsoft.com"},{"url":"http://www.vupen.com/english/advisories/2009/1445","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.vupen.com/english/advisories/2009/1886","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6237","tags":["Broken Link"],"source":"secure@microsoft.com"},{"url":"http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspx","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-parsing.aspx","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://isc.sans.org/diary.html?storyid=6481","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/54797","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/35268","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.microsoft.com/technet/security/advisory/971778.mspx","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/35139","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1022299","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-195A.html","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/1445","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/1886","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-028","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6237","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-1537","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-1537","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}