{"id":"CVE-2026-105018","kind":"vulnerability","aliases":["CVE-2026-105018"],"related":[],"title":"Windows Partition Management Driver: heap overflow lets a local user gain privileges","description":"Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges with a physical attack.","summary":"A heap-based buffer overflow in the Windows Partition Management Driver can be triggered by an authorized user with physical access. A successful attack lets that user elevate their privileges.","severity":"medium","cvss":6.6,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Partition Management Driver","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows"],"not_affected_if":["no-local-accounts-untrusted"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:41+00:00","first_seen_at":"2026-11-10T19:24:13+00:00","triaged_at":"2026-11-10T19:56:07+00:00","updated_at":"2026-11-10T19:56:07+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:56:07Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Partition Management Driver: heap overflow lets a local user gain privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows Partition Management Driver can be triggered by an authorized user with physical access. A successful attack lets that user elevate their privileges.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker with local account gains higher system privileges","analyst_note":"Confirm affected Windows builds, the patch version and whether a Microsoft advisory exists at the NVD link.","how_to_check":"unknown","plain_action":"","product_name":"Windows Partition Management Driver","needs_analyst":true,"not_affected_if":["no-local-accounts-untrusted"],"who_is_affected":"Affects Windows systems with the Partition Management Driver; the attacker must already be authorized on the machine and have physical access. The sources do not say which Windows builds are affected or how to confirm exposure.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.00067,"input_tokens":4499,"output_tokens":440,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-105018':15A,18A '-2026':14A,17A 'access':46B 'allow':66C 'attack':49B,69C,76C 'author':42B,68C 'base':28B,58C 'buffer':29B,59C 'cve':13A,16A 'driver':4A,22A,36B,65C 'elev':53B,71C 'gain':11A 'heap':5A,27B,57C 'heap-bas':26B,56C 'infrastructur':23B 'let':7A,50B 'local':9A 'manag':3A,35B,64C 'management':21A 'overflow':6A,30B,60C 'partit':2A,34B,63C 'partition':20A 'physic':45B,75C 'privileg':12A,55B,72C 'success':48B 'trigger':39B 'user':10A,43B,52B 'window':1A,24B,33B,62C 'windows':19A","nicknames":[],"mitigations":[],"who_affected":"Affects Windows systems with the Partition Management Driver; the attacker must already be authorized on the machine and have physical access. The sources do not say which Windows builds are affected or how to confirm exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["partitionmanagementdriver","windowspartitionmanagementdriver"],"ptokens":["driver","management","partition","windows"],"labels":["infrastructure","medium","vendor","windows"],"campaign_type":null,"search_a":"'-105018':15A,18A '-2026':14A,17A 'cve':13A,16A 'driver':4A,22A 'gain':11A 'heap':5A 'let':7A 'local':9A 'manag':3A 'management':21A 'overflow':6A 'partit':2A 'partition':20A 'privileg':12A 'user':10A 'window':1A 'windows':19A","search_b":"'access':46B 'attack':49B 'author':42B 'base':28B 'buffer':29B 'driver':36B 'elev':53B 'heap':27B 'heap-bas':26B 'infrastructur':23B 'let':50B 'manag':35B 'overflow':30B 'partit':34B 'physic':45B 'privileg':55B 'success':48B 'trigger':39B 'user':43B,52B 'window':24B,33B","search_c":"'allow':66C 'attack':69C,76C 'author':68C 'base':58C 'buffer':59C 'driver':65C 'elev':71C 'heap':57C 'heap-bas':56C 'manag':64C 'overflow':60C 'partit':63C 'physic':75C 'privileg':72C 'window':62C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:41+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105018","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105018","severity":null,"published_at":"2026-11-10T19:17:41+00:00","modified_at":"2026-11-10T19:17:42+00:00","first_seen_at":"2026-11-10T19:24:13+00:00","fetched_at":"2026-11-10T19:24:13+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"}