{"api_version":"1","generated_at":"2026-07-23T10:25:19+00:00","cve":"CVE-2009-2516","urls":{"html":"https://cve.report/CVE-2009-2516","api":"https://cve.report/api/cve/CVE-2009-2516.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2009-2516","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2516"},"summary":{"title":"CVE-2009-2516","description":"The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka \"Windows Kernel NULL Pointer Dereference Vulnerability.\"","state":"PUBLISHED","assigner":"microsoft","published_at":"2009-10-14 10:30:01","updated_at":"2026-04-23 00:35:47"},"problem_types":["CWE-20","CWE-476","n/a","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.9","severity":"","vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","data":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:C/I:C/A:C","baseScore":6.9,"accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6264","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6264","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058","name":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Microsoft Security Bulletin MS09-058 - Important | Microsoft Docs","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html","name":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["US Government Resource"],"title":"US-CERT Technical Cyber Security Alert TA09-286A -- Microsoft Updates for Multiple Vulnerabilities","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"http://www.nsfocus.com/en/advisories/0903.html","name":"http://www.nsfocus.com/en/advisories/0903.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"NSFOCUS - Windows Kernel Malformed PE File Remote DoS Vulnerability(SA2009-03)","mime":"text/html","httpstatus":"404","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2009-2516","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2516","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_2000","cpe6":"*","cpe7":"sp4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2003","cpe6":"*","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2008","cpe6":"*","cpe7":"*","cpe8":"itanium","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2008","cpe6":"*","cpe7":"*","cpe8":"x32","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2008","cpe6":"*","cpe7":"*","cpe8":"x64","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_vista","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_vista","cpe6":"*","cpe7":"*","cpe8":"x64","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_vista","cpe6":"*","cpe7":"sp1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"sp2","cpe8":"professional","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"sp2","cpe8":"professional_x64","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"sp2","cpe8":"x64","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"sp3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2009","cve_id":"2516","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"*","cpe7":"x64","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T05:52:14.723Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"oval:org.mitre.oval:def:6264","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6264"},{"name":"MS09-058","tags":["vendor-advisory","x_refsource_MS","x_transferred"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058"},{"name":"TA09-286A","tags":["third-party-advisory","x_refsource_CERT","x_transferred"],"url":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html"},{"tags":["x_refsource_MISC","x_transferred"],"url":"http://www.nsfocus.com/en/advisories/0903.html"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2009-2516","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-01-21T16:36:39.680102Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-01-21T16:36:44.191Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2009-10-13T00:00:00.000Z","descriptions":[{"lang":"en","value":"The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka \"Windows Kernel NULL Pointer Dereference Vulnerability.\""}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-12T19:57:01.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"oval:org.mitre.oval:def:6264","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6264"},{"name":"MS09-058","tags":["vendor-advisory","x_refsource_MS"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058"},{"name":"TA09-286A","tags":["third-party-advisory","x_refsource_CERT"],"url":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html"},{"tags":["x_refsource_MISC"],"url":"http://www.nsfocus.com/en/advisories/0903.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2009-2516","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka \"Windows Kernel NULL Pointer Dereference Vulnerability.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"oval:org.mitre.oval:def:6264","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6264"},{"name":"MS09-058","refsource":"MS","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-058"},{"name":"TA09-286A","refsource":"CERT","url":"http://www.us-cert.gov/cas/techalerts/TA09-286A.html"},{"name":"http://www.nsfocus.com/en/advisories/0903.html","refsource":"MISC","url":"http://www.nsfocus.com/en/advisories/0903.html"}]}}}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2009-2516","datePublished":"2009-10-14T10:00:00.000Z","dateReserved":"2009-07-17T00:00:00.000Z","dateUpdated":"2025-01-21T16:36:44.191Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2009-10-14 10:30:01","lastModifiedDate":"2026-04-23 00:35:47","problem_types":["CWE-20","CWE-476","n/a","CWE-476 CWE-476 NULL Pointer Dereference"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:C/I:C/A:C","baseScore":6.9,"accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.4,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*","matchCriteriaId":"83E7C4A0-78CF-4B56-82BF-EC932BDD8ADF"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*","matchCriteriaId":"4D3B5E4F-56A6-4696-BBB4-19DF3613D020"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*","matchCriteriaId":"7F6EA111-A4E6-4963-A0C8-F9336C605B6E"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*","matchCriteriaId":"9CFB1A97-8042-4497-A45D-C014B5E240AB"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*","matchCriteriaId":"7F9C7616-658D-409D-8B53-AC00DC55602A"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*","matchCriteriaId":"3852BB02-47A1-40B3-8E32-8D8891A53114"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_vista:*:*:x64:*:*:*:*:*","matchCriteriaId":"1DD1D5ED-FE7C-4ADF-B3AF-1F13E51B4FB5"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*","matchCriteriaId":"C162FFF0-1E8F-4DCF-A08F-6C6E324ED878"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*","matchCriteriaId":"9B339C33-8896-4896-88FF-88E74FDBC543"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:sp2:professional:*:*:*:*:*","matchCriteriaId":"C29F02ED-85FC-4D22-A6DE-5F9C77ECCD70"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:sp2:professional_x64:*:*:*:*:*","matchCriteriaId":"1AB9988B-5A9C-4F6D-BCCC-4D03AC6E4CF9"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:sp2:x64:*:*:*:*:*","matchCriteriaId":"57ECAAA8-8709-4AC7-9CE7-49A8040C04D3"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*","matchCriteriaId":"CE477A73-4EE4-41E9-8694-5A3D5DC88656"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:*:x64:*:*:*:*:*:*","matchCriteriaId":"59F0770D-0CED-4AEF-95AB-F9F9A4D6FB55"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2009","CveId":"2516","Ordinal":"1","Title":"CVE-2009-2516","CVE":"CVE-2009-2516","Year":"2009"},"notes":[{"CveYear":"2009","CveId":"2516","Ordinal":"1","NoteData":"The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka \"Windows Kernel NULL Pointer Dereference Vulnerability.\"","Type":"Description","Title":"CVE-2009-2516"},{"CveYear":"2009","CveId":"2516","Ordinal":"2","NoteData":"2009-10-14","Type":"Other","Title":"Published"},{"CveYear":"2009","CveId":"2516","Ordinal":"3","NoteData":"2018-10-12","Type":"Other","Title":"Modified"}]}}}