{"id":"CVE-2026-111298","kind":"vulnerability","aliases":["CVE-2026-111298"],"related":[],"title":"Microsoft Word: out-of-bounds read lets a remote attacker run code","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","summary":"A memory read past the end of a buffer in Microsoft Office Word can be triggered by a crafted document. The sources say an unauthorized attacker can execute code over a network.","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","other","word"],"not_affected_if":[],"how_to_check":"- Check the installed Microsoft Word build under File > Account > About Word in Microsoft Office.","fix":null,"status":"open","published_at":"2026-11-10T19:18:27+00:00","first_seen_at":"2026-11-10T19:24:29+00:00","triaged_at":"2026-11-10T19:32:19+00:00","updated_at":"2026-11-10T19:32:19+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T19:32:19Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft Word: out-of-bounds read lets a remote attacker run code","impact":"high","summary":"A memory read past the end of a buffer in Microsoft Office Word can be triggered by a crafted document. The sources say an unauthorized attacker can execute code over a network.","audience":"businesses","category":"other","nicknames":[],"who_cares":["microsoft-office","word"],"confidence":0.4,"fix_status":"unknown","needs_auth":"no","worst_case":"code runs on the victim's machine via a crafted document","analyst_note":"Confirm affected Word builds and the Microsoft security update that fixes CVE-2026-111298 from the MSRC advisory; the NVD entry gives no version ranges.","how_to_check":"- Check the installed Microsoft Word build under File > Account > About Word in Microsoft Office.\n- unknown","plain_action":"","product_name":"Microsoft Office Word","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000657,"input_tokens":4490,"output_tokens":417,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Confirm affected Word builds and the Microsoft security update that fixes CVE-2026-111298 from the MSRC advisory; the NVD entry gives no version ranges.","search":"'-111298':16A,19A '-2026':15A,18A 'allow':69C 'attack':11A,53B,72C 'bound':6A,63C 'buffer':36B 'code':13A,56B,75C 'craft':46B 'cve':14A,17A 'document':47B 'end':33B 'execut':55B,74C 'let':8A 'memori':29B 'microsoft':1A,20A,24B,38B,66C 'microsoft-offic':23B 'network':59B,78C 'offic':25B,39B,67C 'office':21A 'out-of-bound':3A,60C 'past':31B 'read':7A,30B,64C 'remot':10A 'run':12A 'say':50B 'sourc':49B 'trigger':43B 'unauthor':52B,71C 'word':2A,22A,27B,40B,68C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["microsoftofficeword","officeword"],"ptokens":["microsoft","office","word"],"labels":["high","microsoftoffice","other","vendor","word"],"campaign_type":null,"search_a":"'-111298':16A,19A '-2026':15A,18A 'attack':11A 'bound':6A 'code':13A 'cve':14A,17A 'let':8A 'microsoft':1A,20A 'office':21A 'out-of-bound':3A 'read':7A 'remot':10A 'run':12A 'word':2A,22A","search_b":"'attack':53B 'buffer':36B 'code':56B 'craft':46B 'document':47B 'end':33B 'execut':55B 'memori':29B 'microsoft':24B,38B 'microsoft-offic':23B 'network':59B 'offic':25B,39B 'past':31B 'read':30B 'say':50B 'sourc':49B 'trigger':43B 'unauthor':52B 'word':27B,40B","search_c":"'allow':69C 'attack':72C 'bound':63C 'code':75C 'execut':74C 'microsoft':66C 'network':78C 'offic':67C 'out-of-bound':60C 'read':64C 'unauthor':71C 'word':68C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:27+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-2026-111298","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111298","severity":null,"published_at":"2026-11-10T19:18:27+00:00","modified_at":"2026-11-10T19:18:27+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"}