{"id":"CVE-2013-3163","kind":"vulnerability","aliases":["CVE-2013-3163"],"related":[],"title":"Microsoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of…","description":"Microsoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka \"Internet Explorer Memory Corruption Vulnerability,\" a different vulnerability than CVE-2013-3144 and CVE-2013-3151.","summary":"Microsoft Internet Explorer has a memory corruption flaw that lets a remote attacker run code or crash the browser through a crafted website. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":null,"exploited":true,"exploited_at":"2023-03-30T00:00:00+00:00","products":[{"name":"Microsoft Internet Explorer","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft internet explorer","fixed":[],"affected":"= 8","ecosystem":"vendor"},{"name":"microsoft internet explorer","fixed":[],"affected":"= 9","ecosystem":"vendor"},{"name":"microsoft internet explorer","fixed":[],"affected":"= 10","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["end-user-browsers","exploited","internet-explorer","other","windows"],"not_affected_if":["no-internet-explorer-installed"],"how_to_check":"Check whether any machine runs Internet Explorer: look for iexplore.exe or the Internet Explorer entry in installed programs.","fix":"Remove or disconnect Internet Explorer, since CISA says the product is end-of-life and should be disconnected if still in use. Patch status for the version in use is unknown from the sources.","status":"open","published_at":"2013-07-10T03:46:10+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:30+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-23T21:08:30Z","model":"claude-haiku-5-5","output":{"fix":"Remove or disconnect Internet Explorer, since CISA says the product is end-of-life and should be disconnected if still in use. Patch status for the version in use is unknown from the sources.","reach":"internet","impact":"high","summary":"Microsoft Internet Explorer has a memory corruption flaw that lets a remote attacker run code or crash the browser through a crafted website. CISA lists it as actively exploited in the wild.","category":"other","who_cares":["windows","internet-explorer","end-user-browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code on the visitor's machine via a malicious website.","analyst_note":"Confirm the affected and fixed IE versions and the Microsoft advisory number at the CISA KEV entry and Microsoft Security Bulletin MS13-055.","how_to_check":"Check whether any machine runs Internet Explorer: look for iexplore.exe or the Internet Explorer entry in installed programs.","needs_analyst":true,"not_affected_if":["no-internet-explorer-installed"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000484,"input_tokens":2811,"output_tokens":406,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2013':19A,22A,115C,119C '-3144':116C '-3151':120C '-3163':20A,23A '10':6A,83C '8':4A,81C 'activ':73B 'aka':104C 'allow':7A,84C 'arbitrari':12A,89C 'attack':9A,58B,86C 'browser':39B,64B 'caus':15A,92C 'cisa':69B 'code':13A,60B,90C 'corrupt':52B,98C,108C 'craft':67B,101C 'crash':62B 'cve':18A,21A,114C,118C 'denial':17A,94C 'differ':111C 'end':37B 'end-user-brows':36B 'execut':11A,88C 'exploit':40B,74B 'explor':3A,43B,48B,80C,106C 'explorer':26A,29A,32A,35A 'flaw':53B 'internet':2A,25A,28A,31A,34A,42B,47B,79C,105C 'internet-explor':41B 'let':55B 'list':70B 'memori':51B,97C,107C 'microsoft':1A,24A,27A,30A,33A,46B,78C 'remot':8A,57B,85C 'run':59B 'servic':96C 'site':103C 'user':38B 'via':99C 'vulner':109C,112C 'web':102C 'websit':68B 'wild':77B 'window':45B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2013-07-10T03:46:10+00:00","kev":{"dateAdded":"2023-03-30","dueDate":"2023-04-20","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-2013-3163","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2013-3163","severity":null,"published_at":"2023-03-30T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"nvd","external_id":"CVE-2013-3163","url":"https://nvd.nist.gov/vuln/detail/CVE-2013-3163","severity":null,"published_at":"2013-07-10T03:46:10+00:00","modified_at":"2026-06-16T23:54:37+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}