{"id":"CVE-2026-119950","kind":"vulnerability","aliases":["CVE-2026-119950"],"related":[],"title":"Windows Print Spooler: heap overflow lets attackers gain higher privileges over network","description":"Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to elevate privileges over a network.","summary":"A heap-based buffer overflow in the Windows Print Spooler components lets an unauthorized attacker raise their privileges. The flaw can be reached over a network, according to NVD.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Print Spooler","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","print-spooler","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:18+00:00","first_seen_at":"2026-11-10T19:25:04+00:00","triaged_at":"2026-11-10T19:28:01+00:00","updated_at":"2026-11-10T19:28:01+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:28:01Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Windows Print Spooler: heap overflow lets attackers gain higher privileges over network","impact":"high","summary":"A heap-based buffer overflow in the Windows Print Spooler components lets an unauthorized attacker raise their privileges. The flaw can be reached over a network, according to NVD.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","print-spooler"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker gains elevated privileges on the Windows machine","analyst_note":"Confirm affected Windows builds, required auth, and the Microsoft patch from the MSRC advisory for CVE-2026-119950.","how_to_check":"unknown","plain_action":"","product_name":"Windows Print Spooler","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":0.000643,"input_tokens":4502,"output_tokens":385,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Confirm affected Windows builds, required auth, and the Microsoft patch from the MSRC advisory for CVE-2026-119950.","search":"'-119950':15A,18A '-2026':14A,17A 'accord':54B 'allow':67C 'attack':7A,42B,70C 'base':30B,59C 'buffer':31B,60C 'compon':38B,66C 'cve':13A,16A 'elev':72C 'flaw':47B 'gain':8A 'heap':4A,29B,58C 'heap-bas':28B,57C 'higher':9A 'infrastructur':22B 'let':6A,39B 'network':12A,53B,76C 'nvd':56B 'overflow':5A,32B,61C 'print':2A,20A,24B,36B,64C 'print-spool':23B 'privileg':10A,45B,73C 'rais':43B 'reach':50B 'spooler':3A,21A,25B,37B,65C 'unauthor':41B,69C 'window':1A,26B,35B,63C 'windows':19A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["printspooler","windowsprintspooler"],"ptokens":["print","spooler","windows"],"labels":["high","infrastructure","printspooler","vendor","windows"],"campaign_type":null,"search_a":"'-119950':15A,18A '-2026':14A,17A 'attack':7A 'cve':13A,16A 'gain':8A 'heap':4A 'higher':9A 'let':6A 'network':12A 'overflow':5A 'print':2A,20A 'privileg':10A 'spooler':3A,21A 'window':1A 'windows':19A","search_b":"'accord':54B 'attack':42B 'base':30B 'buffer':31B 'compon':38B 'flaw':47B 'heap':29B 'heap-bas':28B 'infrastructur':22B 'let':39B 'network':53B 'nvd':56B 'overflow':32B 'print':24B,36B 'print-spool':23B 'privileg':45B 'rais':43B 'reach':50B 'spooler':25B,37B 'unauthor':41B 'window':26B,35B","search_c":"'allow':67C 'attack':70C 'base':59C 'buffer':60C 'compon':66C 'elev':72C 'heap':58C 'heap-bas':57C 'network':76C 'overflow':61C 'print':64C 'privileg':73C 'spooler':65C 'unauthor':69C 'window':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:18+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-2026-119950","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119950","severity":null,"published_at":"2026-11-10T19:20:18+00:00","modified_at":"2026-11-10T19:20:18+00:00","first_seen_at":"2026-11-10T19:25:04+00:00","fetched_at":"2026-11-10T19:25:04+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"}