{"id":"CVE-2026-95905","kind":"vulnerability","aliases":["CVE-2026-95905"],"related":[],"title":"Windows Kernel: heap overflow lets a physical attacker gain higher privileges","description":"Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.","summary":"A heap-based buffer overflow in the Windows kernel can be triggered by an unauthorized attacker with physical access to the machine. A successful attack lets the attacker elevate their privileges.","severity":"medium","cvss":6.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-physical-access"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:21:43+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","triaged_at":"2026-11-10T19:55:32+00:00","updated_at":"2026-11-10T19:55:32+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:55:32Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Kernel: heap overflow lets a physical attacker gain higher privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows kernel can be triggered by an unauthorized attacker with physical access to the machine. A successful attack lets the attacker elevate their privileges.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"attacker gains kernel-level privileges on the machine","analyst_note":"Find the affected Windows builds and Microsoft's patch for CVE-2026-95905 at https://nvd.nist.gov/vuln/detail/CVE-2026-95905 or the Microsoft Security Response Center advisory.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-physical-access"],"who_is_affected":"Machines running affected Windows kernel builds where an attacker can reach the hardware physically. The sources do not list affected Windows versions or builds. unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000669,"input_tokens":4502,"output_tokens":438,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-95905':14A,17A 'access':39B 'allow':60C 'attack':8A,36B,45B,48B,63C,70C 'base':23B,54C 'buffer':24B,55C 'cve':12A,15A 'elev':49B,65C 'gain':9A 'heap':3A,22B,53C 'heap-bas':21B,52C 'higher':10A 'infrastructur':18B 'kernel':2A,29B,59C 'let':5A,46B 'machin':42B 'overflow':4A,25B,56C 'physic':7A,38B,69C 'privileg':11A,51B,66C 'success':44B 'trigger':32B 'unauthor':35B,62C 'window':1A,19B,28B,58C","nicknames":[],"mitigations":[],"who_affected":"Machines running affected Windows kernel builds where an attacker can reach the hardware physically. The sources do not list affected Windows versions or builds. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["infrastructure","medium","windows"],"campaign_type":null,"search_a":"'-2026':13A,16A '-95905':14A,17A 'attack':8A 'cve':12A,15A 'gain':9A 'heap':3A 'higher':10A 'kernel':2A 'let':5A 'overflow':4A 'physic':7A 'privileg':11A 'window':1A","search_b":"'access':39B 'attack':36B,45B,48B 'base':23B 'buffer':24B 'elev':49B 'heap':22B 'heap-bas':21B 'infrastructur':18B 'kernel':29B 'let':46B 'machin':42B 'overflow':25B 'physic':38B 'privileg':51B 'success':44B 'trigger':32B 'unauthor':35B 'window':19B,28B","search_c":"'allow':60C 'attack':63C,70C 'base':54C 'buffer':55C 'elev':65C 'heap':53C 'heap-bas':52C 'kernel':59C 'overflow':56C 'physic':69C 'privileg':66C 'unauthor':62C 'window':58C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:43+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-95905","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95905","severity":null,"published_at":"2026-11-10T19:21:43+00:00","modified_at":"2026-11-10T19:21:44+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","fetched_at":"2026-11-10T19:25:23+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"}