{"id":"CVE-2026-105023","kind":"vulnerability","aliases":["CVE-2026-105023"],"related":[],"title":"Windows Advanced Rasterization Platform: heap overflow lets a local user gain privileges","description":"Heap-based buffer overflow in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.","summary":"A heap-based buffer overflow in the Windows Advanced Rasterization Platform lets an already-authorized local user elevate their privileges. The sources give a CVSS score of 8.8 and do not describe any exploitation in the wild.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:43+00:00","first_seen_at":"2026-11-10T19:24:13+00:00","triaged_at":"2026-11-10T19:34:17+00:00","updated_at":"2026-11-10T19:34:17+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:34:17Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Advanced Rasterization Platform: heap overflow lets a local user gain privileges","impact":"high","summary":"A heap-based buffer overflow in the Windows Advanced Rasterization Platform lets an already-authorized local user elevate their privileges. The sources give a CVSS score of 8.8 and do not describe any exploitation in the wild.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains higher privileges, possibly full control of the machine","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-105023 to get affected Windows builds and the patch.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Any Windows machine with the Advanced Rasterization Platform component is in scope, and the attacker needs a local account on it. The sources do not list affected Windows builds or any configuration that changes exposure. Servers and workstations shared by several local users matter most.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000672,"input_tokens":4502,"output_tokens":444,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the Microsoft security update guide entry for CVE-2026-105023 to get affected Windows builds and the patch.","search":"'-105023':15A,18A '-2026':14A,17A '8.8':50B 'advanc':2A,30B,67C 'allow':70C 'alreadi':36B 'already-author':35B 'attack':73C 'author':37B,72C 'base':24B,62C 'buffer':25B,63C 'cve':13A,16A 'cvss':47B 'describ':54B 'elev':40B,75C 'exploit':56B 'gain':11A 'give':45B 'heap':5A,23B,61C 'heap-bas':22B,60C 'infrastructur':19B 'let':7A,33B 'local':9A,38B,77C 'overflow':6A,26B,64C 'platform':4A,32B,69C 'privileg':12A,42B,76C 'raster':3A,31B,68C 'score':48B 'sourc':44B 'user':10A,39B 'wild':59B 'window':1A,20B,29B,66C","nicknames":[],"mitigations":[],"who_affected":"Any Windows machine with the Advanced Rasterization Platform component is in scope, and the attacker needs a local account on it. The sources do not list affected Windows builds or any configuration that changes exposure. Servers and workstations shared by several local users matter most.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-105023':15A,18A '-2026':14A,17A 'advanc':2A 'cve':13A,16A 'gain':11A 'heap':5A 'let':7A 'local':9A 'overflow':6A 'platform':4A 'privileg':12A 'raster':3A 'user':10A 'window':1A","search_b":"'8.8':50B 'advanc':30B 'alreadi':36B 'already-author':35B 'author':37B 'base':24B 'buffer':25B 'cvss':47B 'describ':54B 'elev':40B 'exploit':56B 'give':45B 'heap':23B 'heap-bas':22B 'infrastructur':19B 'let':33B 'local':38B 'overflow':26B 'platform':32B 'privileg':42B 'raster':31B 'score':48B 'sourc':44B 'user':39B 'wild':59B 'window':20B,29B","search_c":"'advanc':67C 'allow':70C 'attack':73C 'author':72C 'base':62C 'buffer':63C 'elev':75C 'heap':61C 'heap-bas':60C 'local':77C 'overflow':64C 'platform':69C 'privileg':76C 'raster':68C 'window':66C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:43+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-105023","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105023","severity":null,"published_at":"2026-11-10T19:17:43+00:00","modified_at":"2026-11-10T19:17:43+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"}