{"id":"CVE-2026-111288","kind":"vulnerability","aliases":["CVE-2026-111288"],"related":[],"title":"Microsoft Word: out-of-bounds read lets an attacker leak information over network","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","summary":"A memory read past the end of a buffer in Microsoft Word lets an unauthenticated attacker over a network disclose information. The sources do not say what data is exposed or how the file or request reaches the victim.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["microsoft-office","other","word"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:25+00:00","first_seen_at":"2026-11-10T19:24:28+00:00","triaged_at":"2026-11-10T19:58:03+00:00","updated_at":"2026-11-10T19:58:03+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T19:58:03Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft Word: out-of-bounds read lets an attacker leak information over network","impact":"low","summary":"A memory read past the end of a buffer in Microsoft Word lets an unauthenticated attacker over a network disclose information. The sources do not say what data is exposed or how the file or request reaches the victim.","audience":"everyone","category":"other","nicknames":[],"who_cares":["microsoft-office","word"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker reads some memory contents from Word over the network","analyst_note":"Check the Microsoft Security Response Center advisory for CVE-2026-111288 for affected Word builds, patch name, and whether user interaction (opening a file) is required.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000632,"input_tokens":4493,"output_tokens":366,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-111288':17A,20A '-2026':16A,19A 'allow':74C 'attack':10A,41B,77C 'bound':6A,68C 'buffer':34B 'cve':15A,18A 'data':53B 'disclos':45B,79C 'end':31B 'expos':55B 'file':59B 'inform':12A,46B,80C 'leak':11A 'let':8A,38B 'memori':27B 'microsoft':1A,22B,36B,71C 'microsoft-offic':21B 'network':14A,44B,83C 'offic':23B,72C 'out-of-bound':3A,65C 'past':29B 'reach':62B 'read':7A,28B,69C 'request':61B 'say':51B 'sourc':48B 'unauthent':40B 'unauthor':76C 'victim':64B 'word':2A,25B,37B,73C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","microsoftoffice","other","word"],"campaign_type":null,"search_a":"'-111288':17A,20A '-2026':16A,19A 'attack':10A 'bound':6A 'cve':15A,18A 'inform':12A 'leak':11A 'let':8A 'microsoft':1A 'network':14A 'out-of-bound':3A 'read':7A 'word':2A","search_b":"'attack':41B 'buffer':34B 'data':53B 'disclos':45B 'end':31B 'expos':55B 'file':59B 'inform':46B 'let':38B 'memori':27B 'microsoft':22B,36B 'microsoft-offic':21B 'network':44B 'offic':23B 'past':29B 'reach':62B 'read':28B 'request':61B 'say':51B 'sourc':48B 'unauthent':40B 'victim':64B 'word':25B,37B","search_c":"'allow':74C 'attack':77C 'bound':68C 'disclos':79C 'inform':80C 'microsoft':71C 'network':83C 'offic':72C 'out-of-bound':65C 'read':69C 'unauthor':76C 'word':73C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:25+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111288","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111288","severity":null,"published_at":"2026-11-10T19:18:25+00:00","modified_at":"2026-11-10T19:18:25+00:00","first_seen_at":"2026-11-10T19:24:28+00:00","fetched_at":"2026-11-10T19:24:28+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}