{"id":"CVE-2026-119880","kind":"vulnerability","aliases":["CVE-2026-119880"],"related":[],"title":"Microsoft XPS Document Converter: heap overflow lets a remote attacker run code","description":"Heap-based buffer overflow in Microsoft XPS Document Converter allows an unauthorized attacker to execute code over a network.","summary":"Microsoft XPS Document Converter has a heap-based buffer overflow that a remote, unauthenticated attacker can trigger over the network. A successful attack lets the attacker execute code.","severity":"high","cvss":7.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Microsoft XPS Document Converter","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["microsoft-xps","other","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:07+00:00","first_seen_at":"2026-11-10T19:25:00+00:00","triaged_at":"2026-11-10T19:44:33+00:00","updated_at":"2026-11-10T19:44:33+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:44:33Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft XPS Document Converter: heap overflow lets a remote attacker run code","impact":"high","summary":"Microsoft XPS Document Converter has a heap-based buffer overflow that a remote, unauthenticated attacker can trigger over the network. A successful attack lets the attacker execute code.","audience":"businesses","category":"other","nicknames":[],"who_cares":["windows","microsoft-xps"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"attacker runs code on the affected Windows machine over the network","analyst_note":"Confirm affected Windows versions, the fixed Microsoft update, and whether the component is exposed by default, using the vendor's MSRC advisory for CVE-2026-119880.","how_to_check":"unknown","plain_action":"","product_name":"Microsoft XPS Document Converter","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":0.000651,"input_tokens":4501,"output_tokens":402,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Confirm affected Windows versions, the fixed Microsoft update, and whether the component is exposed by default, using the vendor's MSRC advisory for CVE-2026-119880.","search":"'-119880':15A,18A '-2026':14A,17A 'allow':67C 'attack':10A,43B,51B,54B,70C 'base':36B,59C 'buffer':37B,60C 'code':12A,56B,73C 'convert':4A,31B,66C 'converter':22A 'cve':13A,16A 'document':3A,21A,30B,65C 'execut':55B,72C 'heap':5A,35B,58C 'heap-bas':34B,57C 'let':7A,52B 'microsoft':1A,19A,24B,28B,63C 'microsoft-xp':23B 'network':48B,76C 'overflow':6A,38B,61C 'remot':9A,41B 'run':11A 'success':50B 'trigger':45B 'unauthent':42B 'unauthor':69C 'window':27B 'xps':2A,20A,25B,29B,64C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["microsoftxpsdocumentconverter","xpsdocumentconverter"],"ptokens":["converter","document","microsoft","xps"],"labels":["high","microsoftxps","other","vendor","windows"],"campaign_type":null,"search_a":"'-119880':15A,18A '-2026':14A,17A 'attack':10A 'code':12A 'convert':4A 'converter':22A 'cve':13A,16A 'document':3A,21A 'heap':5A 'let':7A 'microsoft':1A,19A 'overflow':6A 'remot':9A 'run':11A 'xps':2A,20A","search_b":"'attack':43B,51B,54B 'base':36B 'buffer':37B 'code':56B 'convert':31B 'document':30B 'execut':55B 'heap':35B 'heap-bas':34B 'let':52B 'microsoft':24B,28B 'microsoft-xp':23B 'network':48B 'overflow':38B 'remot':41B 'success':50B 'trigger':45B 'unauthent':42B 'window':27B 'xps':25B,29B","search_c":"'allow':67C 'attack':70C 'base':59C 'buffer':60C 'code':73C 'convert':66C 'document':65C 'execut':72C 'heap':58C 'heap-bas':57C 'microsoft':63C 'network':76C 'overflow':61C 'unauthor':69C 'xps':64C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:07+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:H/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-2026-119880","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119880","severity":null,"published_at":"2026-11-10T19:20:07+00:00","modified_at":"2026-11-10T19:20:07+00:00","first_seen_at":"2026-11-10T19:25:00+00:00","fetched_at":"2026-11-10T19:25:00+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"}