{"id":"CVE-2026-111308","kind":"vulnerability","aliases":["CVE-2026-111308"],"related":[],"title":"Microsoft Word: numeric truncation flaw lets a remote attacker run code","description":"Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","summary":"A numeric truncation error in Microsoft Word lets an unauthorized attacker run code over a network. The sources give a CVSS score of 8.8 and do not say whether a user must open a document.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft Office Word","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["microsoft-office","package","windows","word"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:18:28+00:00","first_seen_at":"2026-11-10T19:24:29+00:00","triaged_at":"2026-11-10T19:32:16+00:00","updated_at":"2026-11-10T19:32:16+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-11-10T19:32:16Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft Word: numeric truncation flaw lets a remote attacker run code","impact":"high","summary":"A numeric truncation error in Microsoft Word lets an unauthorized attacker run code over a network. The sources give a CVSS score of 8.8 and do not say whether a user must open a document.","audience":"everyone","category":"package","nicknames":[],"who_cares":["microsoft-office","word","windows"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs arbitrary code on the affected computer over a network","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-111308 for affected builds, fixed versions and whether user interaction is required.","how_to_check":"unknown","plain_action":"Update Microsoft Word through Microsoft's normal update channel once a fix is released; the sources do not name a version.","product_name":"Microsoft Office Word","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Microsoft Office Word installations. The sources do not say which Word versions or builds are affected, or whether opening a document is needed.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000681,"input_tokens":4488,"output_tokens":464,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-111308 for affected builds, fixed versions and whether user interaction is required.","search":"'-111308':14A,17A '-2026':13A,16A '8.8':50B 'allow':69C 'attack':9A,37B,72C 'code':11A,39B,75C 'cve':12A,15A 'cvss':47B 'document':61B 'error':30B,64C 'execut':74C 'flaw':5A 'give':45B 'let':6A,34B 'microsoft':1A,18A,22B,32B,66C 'microsoft-offic':21B 'must':58B 'network':42B,78C 'numer':3A,28B,62C 'offic':23B,67C 'office':19A 'open':59B 'packag':24B 'remot':8A 'run':10A,38B 'say':54B 'score':48B 'sourc':44B 'truncat':4A,29B,63C 'unauthor':36B,71C 'user':57B 'whether':55B 'window':25B 'word':2A,20A,26B,33B,68C","nicknames":[],"mitigations":[],"who_affected":"Microsoft Office Word installations. The sources do not say which Word versions or builds are affected, or whether opening a document is needed.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":"Update Microsoft Word through Microsoft's normal update channel once a fix is released; the sources do not name a version.","pkeys":["microsoftofficeword","officeword"],"ptokens":["microsoft","office","word"],"labels":["high","microsoftoffice","package","vendor","windows","word"],"campaign_type":null,"search_a":"'-111308':14A,17A '-2026':13A,16A 'attack':9A 'code':11A 'cve':12A,15A 'flaw':5A 'let':6A 'microsoft':1A,18A 'numer':3A 'office':19A 'remot':8A 'run':10A 'truncat':4A 'word':2A,20A","search_b":"'8.8':50B 'attack':37B 'code':39B 'cvss':47B 'document':61B 'error':30B 'give':45B 'let':34B 'microsoft':22B,32B 'microsoft-offic':21B 'must':58B 'network':42B 'numer':28B 'offic':23B 'open':59B 'packag':24B 'run':38B 'say':54B 'score':48B 'sourc':44B 'truncat':29B 'unauthor':36B 'user':57B 'whether':55B 'window':25B 'word':26B,33B","search_c":"'allow':69C 'attack':72C 'code':75C 'error':64C 'execut':74C 'microsoft':66C 'network':78C 'numer':62C 'offic':67C 'truncat':63C 'unauthor':71C 'word':68C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:28+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-111308","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111308","severity":null,"published_at":"2026-11-10T19:18:28+00:00","modified_at":"2026-11-10T19:18:29+00:00","first_seen_at":"2026-11-10T19:24:29+00:00","fetched_at":"2026-11-10T19:24:29+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"}