{"id":"CVE-2017-0222","kind":"vulnerability","aliases":["CVE-2017-0222"],"related":[],"title":"Microsoft Internet Explorer: Microsoft Internet Explorer Remote Code Execution Vulnerability","description":"A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka \"Internet Explorer Memory Corruption Vulnerability.\" This CVE ID is unique from CVE-2017-0226.","summary":"Microsoft Internet Explorer has a flaw where it improperly accesses objects in memory, allowing remote code execution. CISA lists it as exploited in the wild.","severity":"high","cvss":8.8,"epss":0.29645,"exploited":true,"exploited_at":"2022-02-25T00:00:00+00:00","products":[{"name":"Microsoft Internet Explorer","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","internet-explorer","windows"],"not_affected_if":["internet-explorer-removed"],"how_to_check":null,"fix":"Apply updates per vendor instructions; the sources do not name the fixed build.","status":"open","published_at":"2017-05-12T14:29:02+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:26:30+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:26:30Z","model":"claude-haiku-5-5","output":{"fix":"Apply updates per vendor instructions; the sources do not name the fixed build.","reach":"internet","impact":"high","summary":"Microsoft Internet Explorer has a flaw where it improperly accesses objects in memory, allowing remote code execution. CISA lists it as exploited in the wild.","category":"infrastructure","who_cares":["internet-explorer","windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code on the machine when a user loads a malicious page","analyst_note":"Find the affected and fixed Internet Explorer builds and the Microsoft security bulletin for CVE-2017-0222 via the MSRC entry, and confirm the user-interaction requirement.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["internet-explorer-removed"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000446,"input_tokens":2823,"output_tokens":328,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0222':13A,16A '-0226':79C '-2017':12A,15A,78C 'access':35B,61C 'aka':65C 'allow':39B 'cisa':43B 'code':8A,41B,53C 'corrupt':69C 'cve':11A,14A,72C,77C 'execut':9A,42B,54C 'exist':56C 'exploit':20B,47B 'explor':3A,6A,24B,28B,59C,67C 'explorer':19A 'flaw':31B 'id':73C 'improp':34B,60C 'infrastructur':21B 'internet':2A,5A,18A,23B,27B,58C,66C 'internet-explor':22B 'list':44B 'memori':38B,64C,68C 'microsoft':1A,4A,17A,26B 'object':36B,62C 'remot':7A,40B,52C 'uniqu':75C 'vulner':10A,55C,70C 'wild':50B 'window':25B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2017-05-12T14:29:02+00:00","kev":{"dateAdded":"2022-02-25","dueDate":"2022-08-25","requiredAction":"Apply updates per vendor instructions.","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-2017-0222","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-0222","severity":null,"published_at":"2022-02-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T14:39:41+00:00","note":null},{"source":"epss","external_id":"CVE-2017-0222","url":"https://api.first.org/data/v1/epss?cve=CVE-2017-0222","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-2017-0222","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0222","severity":null,"published_at":"2017-05-12T14:29:02+00:00","modified_at":"2026-06-17T00:57:17+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"}