{"id":"CVE-2012-1535","published":"2012-08-15T10:31:40Z","modified":"2026-06-16T23:39:42Z","title":"Adobe Flash Player Arbitrary Code Execution Vulnerability","vendor":"Adobe","product":"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 Flash Player before 11.3.300.271 on Windows and Mac OS X and before 11.2.202.238 on Linux allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted SWF content, as exploited in the wild in August 2012 with SWF content in a Word document.","provenance":"source","from":"NVD"},"summary":{"text":"Adobe Flash Player contains an unspecified input-validation flaw in its handling of SWF content, affecting builds before 11.3.300.271 on Windows and Mac OS X and before 11.2.202.238 on Linux. An attacker who gets a user to open crafted SWF content, such as an embedded file in a document, can run arbitrary code or crash the application, with no prior authentication required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:10:50Z"},"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":0.70384,"percentile":0.99386,"date":"2026-10-31","provenance":"source"},"kev":{"dateAdded":"2022-03-03","dueDate":"2022-03-24","ransomware":false,"requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2012-1535","provenance":"source"},"vulncheckKev":{"dateAdded":"2012-08-15","exploitedFirstSeen":"2012-08-15","ransomware":false,"evidence":[{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1535","date":"2012-08-15"},{"url":"http://www.cs.cornell.edu/courses/cs6410/2012fa/slides/Symantec_ElderwoodProject_2012.pdf","date":"2012-09-01"},{"url":"https://dl.acm.org/doi/pdf/10.1145/3465481.3465758","date":"2021-08-17"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-03-03"}],"evidenceTotal":4,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Nov 1, 2026","url":"https://otx.alienvault.com/pulse/6ae6007740c10de9f3c0173d","created":"2026-10-31"},{"name":"Actively_Exploited_Kev | Oct 31, 2026","url":"https://otx.alienvault.com/pulse/6ae4aefab0c2191cecd41862","created":"2026-10-30"},{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"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"}],"provenance":"machine"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"},{"id":"CWE-94","name":"Improper Control of Generation of Code"}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00010.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00012.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=139455789818399&w=2","tags":["Mailing List"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1203.html","tags":["Third Party Advisory"]},{"url":"http://security.gentoo.org/glsa/glsa-201209-01.xml","tags":["Third Party Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb12-18.html","tags":["Not Applicable","Patch","Vendor Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00010.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00012.html","tags":["Mailing List","Third Party Advisory"]},{"url":"http://marc.info/?l=bugtraq&m=139455789818399&w=2","tags":["Mailing List"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-1203.html","tags":["Third Party Advisory"]},{"url":"http://security.gentoo.org/glsa/glsa-201209-01.xml","tags":["Third Party Advisory"]},{"url":"http://www.adobe.com/support/security/bulletins/apsb12-18.html","tags":["Not Applicable","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-1535","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: Code Execution","mappingType":"exploitation_technique","evidence":[],"comment":"This vulnerability is exploited by having a user execute a maliciously-crafted word document that has embedded swf. The embedded swf can download additional malicious software from the web.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"},{"id":"T1105","name":"Ingress Tool Transfer","tactics":["command-and-control"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Code Execution","mappingType":"primary_impact","evidence":[],"comment":"This vulnerability is exploited by having a user execute a maliciously-crafted word document that has embedded swf. The embedded swf can download additional malicious software from the web.","confidence":"medium","confidenceNote":"CTID KEV capability group \"code execution\" is generic"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2012-1553","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1553","exploited":true,"exploitedSince":"2022-03-03","provenance":"source"},"exploits":[{"id":20624,"url":"https://www.exploit-db.com/exploits/20624","title":"Adobe Flash Player 11.3 - Font Parsing Code Execution (Metasploit)","type":"remote","platform":"windows","date":"2012-08-20","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2012-08-20"},"metasploit":[{"name":"Adobe Flash Player 11.3 Kern Table Parsing Integer Overflow","module":"exploit/windows/browser/adobe_flash_otf_font","type":"exploit","disclosureDate":"2012-08-09","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flash_otf_font.rb"}],"first":{"date":"2012-08-09","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flash_otf_font.rb"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"source"},{"stage":"primary","techniques":["T1105"],"provenance":"source"}],"timeline":[{"date":"2012-08-09","kind":"exploit-public","label":"First public exploit: Metasploit; later: Exploit-DB 2012-08-20","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/adobe_flash_otf_font.rb","provenance":"source"},{"date":"2012-08-15","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1535","provenance":"source"},{"date":"2012-08-15","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cve.org/CVERecord?id=CVE-2012-1535","provenance":"source"},{"date":"2022-03-03","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-03-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-1553","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":3487},"priority":{"score":53.3,"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 5191 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.88,"detail":"percentile 0.9939"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Exploit-DB entry; 1 Metasploit module"},{"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"}]}}