{"id":"CVE-2016-4117","kind":"vulnerability","aliases":["CVE-2016-4117"],"related":[],"title":"Adobe Flash Player: Adobe Flash Player Arbitrary Code Execution Vulnerability","description":"An access of resource using incompatible type vulnerability exists within Adobe Flash Player that allows an attacker to perform remote code execution.\n\nCISA required action: The impacted product is end-of-life and should be disconnected if still in use.","summary":"Adobe Flash Player has a type-confusion bug that lets an attacker run code on a machine through a crafted Flash file. CISA lists it as actively exploited, and the sources note it is used in ransomware campaigns.","severity":"critical","cvss":10.0,"epss":0.94354,"exploited":true,"exploited_at":"2022-03-03T00:00:00+00:00","products":[{"name":"Adobe Flash Player","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["adobe-flash-player","browsers","exploited","macos","ransomware","vendor","windows"],"not_affected_if":["no-flash-installed"],"how_to_check":"Check whether Adobe Flash Player is installed on any endpoint or server, for example by looking for Flash Player plugin files in browser plugin directories.","fix":"Remove Adobe Flash Player and disconnect any system still using it, since the product is end-of-life (CISA required action).","status":"open","published_at":"2016-05-11T01:59:46+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:24:06+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-23T21:24:06Z","model":"claude-haiku-5-5","output":{"fix":"Remove Adobe Flash Player and disconnect any system still using it, since the product is end-of-life (CISA required action).\nunknown","reach":"internet","impact":"high","summary":"Adobe Flash Player has a type-confusion bug that lets an attacker run code on a machine through a crafted Flash file. CISA lists it as actively exploited, and the sources note it is used in ransomware campaigns.","category":"vendor","who_cares":["adobe-flash-player","windows","macos","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the victim machine via crafted Flash content","analyst_note":"","how_to_check":"Check whether Adobe Flash Player is installed on any endpoint or server, for example by looking for Flash Player plugin files in browser plugin directories.\nunknown","needs_analyst":false,"not_affected_if":["no-flash-installed"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000464,"input_tokens":2843,"output_tokens":360,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2016':12A,15A '-4117':13A,16A 'access':70C 'action':93C 'activ':57B 'adob':1A,4A,21B,30B,79C 'adobe':17A 'adobe-flash-play':20B 'allow':83C 'arbitrari':7A 'attack':42B,85C 'browser':24B 'bug':38B 'campaign':68B 'cisa':53B,91C 'code':8A,44B,89C 'confus':37B 'craft':50B 'cve':11A,14A 'disconnect':105C 'end':99C 'end-of-lif':98C 'execut':9A,90C 'exist':77C 'exploit':25B,58B 'file':52B 'flash':2A,5A,18A,22B,31B,51B,80C 'impact':95C 'incompat':74C 'let':40B 'life':101C 'list':54B 'machin':47B 'maco':26B 'note':62B 'perform':87C 'player':3A,6A,19A,23B,32B,81C 'product':96C 'ransomwar':27B,67B 'remot':88C 'requir':92C 'resourc':72C 'run':43B 'sourc':61B 'still':107C 'type':36B,75C 'type-confus':35B 'use':65B,73C,109C 'vendor':28B 'vulner':10A,76C 'window':29B 'within':78C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2016-05-11T01:59:46+00:00","kev":{"dateAdded":"2022-03-03","dueDate":"2022-03-24","requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2016-4117","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-4117","severity":null,"published_at":"2022-03-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T13:39:32+00:00","note":null},{"source":"epss","external_id":"CVE-2016-4117","url":"https://api.first.org/data/v1/epss?cve=CVE-2016-4117","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2016-4117","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4117","severity":null,"published_at":"2016-05-11T01:59:46+00:00","modified_at":"2026-09-10T04:17:30+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}