{"id":"CVE-2009-1862","published":"2009-07-23T20:30:00Z","modified":"2026-06-16T23:08:13Z","title":"Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability","vendor":"Adobe","product":"Acrobat and Reader, Flash Player","tier":"core","eol":{"product":"Adobe Flash Player","since":"2020-12-31","note":"No security updates; remove it."},"description":{"text":"Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.","provenance":"source","from":"NVD"},"summary":{"text":"Adobe Acrobat and Reader (versions 9.x through 9.1.2) and Adobe Flash Player (versions 9.x through 9.0.159.0 and 10.x through 10.0.22.87) contain an unspecified memory-corruption flaw in the authplay.dll component. An attacker can use a crafted Flash application embedded in a PDF or a crafted SWF file to execute arbitrary code or cause a denial of service, with the victim needing to open the malicious file.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:13:23Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.21198,"percentile":0.97579,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-06-08","dueDate":"2022-06-22","ransomware":false,"requiredAction":"For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2009-1862","provenance":"source"},"vulncheckKev":{"dateAdded":"2009-07-23","exploitedFirstSeen":"2009-07-23","ransomware":false,"evidence":[{"url":"https://www.cve.org/CVERecord?id=CVE-2009-1862","date":"2009-07-23"},{"url":"https://www.zscaler.com/blogs/security-research/wild-flash-exploit-analysis-part-1","date":"2009-09-10"},{"url":"https://www.virusbulletin.com/virusbulletin/2010/05/exploit-kit-explosion-part-two-vectors-attack/","date":"2010-05-01"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-06-08"},{"url":"https://threatprotect.qualys.com/2025/05/28/vbulletin-remote-code-execution-vulnerabilities-exploited-in-the-wild-cve-2025-48827-cve-2025-48828/","date":"2025-05-28"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"},{"id":"CWE-94","name":"Improper Control of Generation of Code"}],"references":[{"url":"http://blogs.adobe.com/psirt/2009/07/potential_adobe_reader_and_fla.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://bugs.adobe.com/jira/browse/FP-1265","tags":["Broken Link"]},{"url":"http://isc.sans.org/diary.html?storyid=6847","tags":["Not Applicable"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Sep/msg00003.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://news.cnet.com/8301-27080_3-10293389-245.html","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36193","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36374","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36701","tags":["Broken Link"]},{"url":"http://security.gentoo.org/glsa/glsa-200908-04.xml","tags":["Third Party Advisory"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-66-266108-1","tags":["Broken Link"]},{"url":"http://support.apple.com/kb/HT3864","tags":["Third Party Advisory"]},{"url":"http://support.apple.com/kb/HT3865","tags":["Third Party Advisory"]},{"url":"http://www.adobe.com/support/security/advisories/apsa09-03.html","tags":["Vendor Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-10.html","tags":["Not Applicable"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-13.html","tags":["Not Applicable"]},{"url":"http://www.kb.cert.org/vuls/id/259425","tags":["Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/35759","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.symantec.com/business/security_response/writeup.jsp?docid=2009-072209-2512-99","tags":["Broken Link"]},{"url":"http://www.symantec.com/connect/blogs/next-generation-flash-vulnerability","tags":["Broken Link"]},{"url":"http://blogs.adobe.com/psirt/2009/07/potential_adobe_reader_and_fla.html","tags":["Broken Link","Vendor Advisory"]},{"url":"http://bugs.adobe.com/jira/browse/FP-1265","tags":["Broken Link"]},{"url":"http://isc.sans.org/diary.html?storyid=6847","tags":["Not Applicable"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Sep/msg00003.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2009/Sep/msg00004.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://news.cnet.com/8301-27080_3-10293389-245.html","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36193","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36374","tags":["Broken Link"]},{"url":"http://secunia.com/advisories/36701","tags":["Broken Link"]},{"url":"http://security.gentoo.org/glsa/glsa-200908-04.xml","tags":["Third Party Advisory"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-66-266108-1","tags":["Broken Link"]},{"url":"http://support.apple.com/kb/HT3864","tags":["Third Party Advisory"]},{"url":"http://support.apple.com/kb/HT3865","tags":["Third Party Advisory"]},{"url":"http://www.adobe.com/support/security/advisories/apsa09-03.html","tags":["Vendor Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-10.html","tags":["Not Applicable"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb09-13.html","tags":["Not Applicable"]},{"url":"http://www.kb.cert.org/vuls/id/259425","tags":["Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/35759","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.symantec.com/business/security_response/writeup.jsp?docid=2009-072209-2512-99","tags":["Broken Link"]},{"url":"http://www.symantec.com/connect/blogs/next-generation-flash-vulnerability","tags":["Broken Link"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-1862","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Other","mappingType":"exploitation_technique","evidence":[],"comment":"This vulnerability is exploited through a user opening a maliciously-crafted pdf file or swf file.","confidence":"medium","confidenceNote":"CTID KEV capability group \"other\" is generic"},{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 1)","mappingType":"uncategorized","evidence":[],"confidence":"low","confidenceNote":"CTID attack_to_cve Phase 1 \"Uncategorized\" mapping (not staged by impact)"},{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 1)","mappingType":"uncategorized","evidence":[],"confidence":"low","confidenceNote":"CTID attack_to_cve Phase 1 \"Uncategorized\" mapping (not staged by impact)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2009-1857","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-1857","exploited":true,"exploitedSince":"2022-06-08","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"source"},{"stage":"related","techniques":["T1189","T1203"],"provenance":"source","lowConfidence":true}],"timeline":[{"date":"2009-07-23","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1862","provenance":"source"},{"date":"2009-07-23","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cve.org/CVERecord?id=CVE-2009-1862","provenance":"source"},{"date":"2022-06-08","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-06-08","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-1857","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":4703},"priority":{"score":48.0,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 6307 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.52,"detail":"percentile 0.9758"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":-15.0,"detail":"No patches exist; remove or isolate it"}]},"lineage":{"familyId":"fam-class-adobe-acrobat-reader-cwe-787"}}