{"id":"CVE-2016-7855","kind":"vulnerability","aliases":["CVE-2016-7855"],"related":[],"title":"Adobe Flash Player: Adobe Flash Player Use-After-Free Vulnerability","description":"Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.","summary":"Adobe Flash Player has a use-after-free memory bug that lets a remote attacker run arbitrary code on the victim's machine. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":0.25198,"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","exploited","linux","other","windows"],"not_affected_if":["flash-player-uninstalled"],"how_to_check":null,"fix":"Remove Adobe Flash Player; the product is end-of-life and CISA says to disconnect it if still in use.","status":"open","published_at":"2016-11-01T22:59:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:24:28+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T21:24:28Z","model":"claude-haiku-5-5","output":{"fix":"Remove Adobe Flash Player; the product is end-of-life and CISA says to disconnect it if still in use.","reach":"internet","impact":"high","summary":"Adobe Flash Player has a use-after-free memory bug that lets a remote attacker run arbitrary code on the victim's machine. CISA lists it as actively exploited in the wild.","category":"other","who_cares":["windows","linux","adobe-flash-player"],"confidence":0.8,"needs_auth":"no","worst_case":"Remote attacker runs arbitrary code on the affected machine.","analyst_note":"Confirm the fixed Flash Player build and check the Adobe security bulletin and KEV entry for the required remediation details.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["flash-player-uninstalled"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000446,"input_tokens":2838,"output_tokens":324,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2016':13A,16A '-7855':14A,17A '11.2.202.643':80C '2016':100C '23.0.0.205':72C 'activ':57B 'adob':1A,4A,22B,29B,68C 'adobe':18A 'adobe-flash-play':21B 'allow':83C 'arbitrari':46B,88C 'attack':44B,85C 'bug':39B 'cisa':53B 'code':47B,89C 'cve':12A,15A 'execut':87C 'exploit':25B,58B,94C 'flash':2A,5A,19A,23B,30B,69C 'free':10A,37B,65C 'let':41B 'linux':26B,82C 'list':54B 'machin':52B 'memori':38B 'octob':99C 'os':76C 'player':3A,6A,20A,24B,31B,70C 'remot':43B,84C 'run':45B 'unspecifi':91C 'use':8A,35B,63C 'use-after-fre':7A,34B,62C 'vector':92C 'via':90C 'victim':50B 'vulner':11A,66C 'wild':61B,97C 'window':28B,74C 'x':77C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2016-11-01T22:59:00+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":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2016-7855","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-7855","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":"2026-10-25T16:39:49+00:00","note":null},{"source":"epss","external_id":"CVE-2016-7855","url":"https://api.first.org/data/v1/epss?cve=CVE-2016-7855","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-2016-7855","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7855","severity":null,"published_at":"2016-11-01T22:59:00+00:00","modified_at":"2026-06-17T00:53:36+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"}