{"id":"CVE-2026-112720","kind":"vulnerability","aliases":["CVE-2026-112720"],"related":[],"title":"Microsoft Word: out-of-bounds read lets a local attacker disclose information","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.","summary":"A memory read past the end of a buffer in Microsoft Office Word lets an unauthorized attacker read data from the same machine. The attacker gets information disclosure only, not code execution, according to the NVD description.","severity":"medium","cvss":5.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["microsoft-office","package","windows","word"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:30+00:00","first_seen_at":"2026-11-10T19:24:30+00:00","triaged_at":"2026-11-10T20:02:13+00:00","updated_at":"2026-11-10T20:02:13+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-11-10T20:02:13Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Microsoft Word: out-of-bounds read lets a local attacker disclose information","impact":"low","summary":"A memory read past the end of a buffer in Microsoft Office Word lets an unauthorized attacker read data from the same machine. The attacker gets information disclosure only, not code execution, according to the NVD description.","audience":"everyone","category":"package","nicknames":[],"who_cares":["microsoft-office","word","windows"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Local attacker reads some memory contents from Word","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-112720 for affected builds, fixed versions and whether user interaction is needed.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Machines running Microsoft Office Word where an attacker already has local access. The sources do not give affected builds or whether a file needs to be opened.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000653,"input_tokens":4491,"output_tokens":408,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-112720':16A,19A '-2026':15A,18A 'accord':58B 'allow':72C 'attack':11A,42B,50B,75C 'bound':6A,66C 'buffer':34B 'code':56B 'cve':14A,17A 'data':44B 'descript':62B 'disclos':12A,77C 'disclosur':53B 'end':31B 'execut':57B 'get':51B 'inform':13A,52B,78C 'let':8A,39B 'local':10A,79C 'machin':48B 'memori':27B 'microsoft':1A,21B,36B,69C 'microsoft-offic':20B 'nvd':61B 'offic':22B,37B,70C 'out-of-bound':3A,63C 'packag':23B 'past':29B 'read':7A,28B,43B,67C 'unauthor':41B,74C 'window':24B 'word':2A,25B,38B,71C","nicknames":[],"mitigations":[],"who_affected":"Machines running Microsoft Office Word where an attacker already has local access. The sources do not give affected builds or whether a file needs to be opened.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","microsoftoffice","package","windows","word"],"campaign_type":null,"search_a":"'-112720':16A,19A '-2026':15A,18A 'attack':11A 'bound':6A 'cve':14A,17A 'disclos':12A 'inform':13A 'let':8A 'local':10A 'microsoft':1A 'out-of-bound':3A 'read':7A 'word':2A","search_b":"'accord':58B 'attack':42B,50B 'buffer':34B 'code':56B 'data':44B 'descript':62B 'disclosur':53B 'end':31B 'execut':57B 'get':51B 'inform':52B 'let':39B 'machin':48B 'memori':27B 'microsoft':21B,36B 'microsoft-offic':20B 'nvd':61B 'offic':22B,37B 'packag':23B 'past':29B 'read':28B,43B 'unauthor':41B 'window':24B 'word':25B,38B","search_c":"'allow':72C 'attack':75C 'bound':66C 'disclos':77C 'inform':78C 'local':79C 'microsoft':69C 'offic':70C 'out-of-bound':63C 'read':67C 'unauthor':74C 'word':71C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:30+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/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-2026-112720","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112720","severity":null,"published_at":"2026-11-10T19:18:30+00:00","modified_at":"2026-11-10T19:18:30+00:00","first_seen_at":"2026-11-10T19:24:30+00:00","fetched_at":"2026-11-10T19:24:30+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"}