{"id":"CVE-2026-110047","kind":"vulnerability","aliases":["CVE-2026-110047"],"related":[],"title":"Microsoft Word: use-after-free lets a network attacker run code","description":"Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.","summary":"A use-after-free bug in Microsoft Office Word lets an unauthorized attacker run code over a network. The sources give a CVSS score of 8.8 and no further detail.","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":"2026-11-10T19:18:21+00:00","first_seen_at":"2026-11-10T19:24:26+00:00","triaged_at":"2026-11-10T19:32:36+00:00","updated_at":"2026-11-10T19:32:36+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-10T19:32:36Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft Word: use-after-free lets a network attacker run code","impact":"high","summary":"A use-after-free bug in Microsoft Office Word lets an unauthorized attacker run code over a network. The sources give a CVSS score of 8.8 and no further detail.","audience":"everyone","category":"package","nicknames":[],"who_cares":["microsoft-office","word","windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker runs code on the victim's machine over the network","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-110047 for affected versions, fixed builds, and whether user interaction (opening a document) is required.","how_to_check":"unknown","plain_action":"unknown","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":0.000642,"input_tokens":4480,"output_tokens":387,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-110047 for affected versions, fixed builds, and whether user interaction (opening a document) is required.","search":"'-110047':15A,18A '-2026':14A,17A '8.8':54B 'allow':66C 'attack':10A,41B,69C 'bug':33B 'code':12A,43B,72C 'cve':13A,16A 'cvss':51B 'detail':58B 'execut':71C 'free':6A,32B,61C 'give':49B 'let':7A,38B 'microsoft':1A,19A,23B,35B,63C 'microsoft-offic':22B 'network':9A,46B,75C 'offic':24B,36B,64C 'office':20A 'packag':25B 'run':11A,42B 'score':52B 'sourc':48B 'unauthor':40B,68C 'use':4A,30B,59C 'use-after-fre':3A,29B 'window':26B 'word':2A,21A,27B,37B,65C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":["microsoftofficeword","officeword"],"ptokens":["microsoft","office","word"],"labels":["high","microsoftoffice","package","vendor","windows","word"],"campaign_type":null,"search_a":"'-110047':15A,18A '-2026':14A,17A 'attack':10A 'code':12A 'cve':13A,16A 'free':6A 'let':7A 'microsoft':1A,19A 'network':9A 'office':20A 'run':11A 'use':4A 'use-after-fre':3A 'word':2A,21A","search_b":"'8.8':54B 'attack':41B 'bug':33B 'code':43B 'cvss':51B 'detail':58B 'free':32B 'give':49B 'let':38B 'microsoft':23B,35B 'microsoft-offic':22B 'network':46B 'offic':24B,36B 'packag':25B 'run':42B 'score':52B 'sourc':48B 'unauthor':40B 'use':30B 'use-after-fre':29B 'window':26B 'word':27B,37B","search_c":"'allow':66C 'attack':69C 'code':72C 'execut':71C 'free':61C 'microsoft':63C 'network':75C 'offic':64C 'unauthor':68C 'use':59C 'word':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:18:21+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-2026-110047","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110047","severity":null,"published_at":"2026-11-10T19:18:21+00:00","modified_at":"2026-11-10T19:18:21+00:00","first_seen_at":"2026-11-10T19:24:26+00:00","fetched_at":"2026-11-10T19:24:26+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"}