{"id":"CVE-2026-118215","kind":"vulnerability","aliases":["CVE-2026-118215"],"related":[],"title":"Windows: use-after-free in rasterization platform lets a local user gain privileges","description":"Use after free in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Windows Advanced Rasterization Platform lets an attacker who already has a local account raise their privileges. The sources do not describe any remote trigger.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-local-accounts"],"how_to_check":"unknown: Microsoft's advisory for CVE-2026-118215 was not readable. Check Windows Update history for the November 2026 cumulative update, or look the CVE up in the MSRC Update Guide for your build.","fix":null,"status":"open","published_at":"2026-11-10T19:19:38+00:00","first_seen_at":"2026-11-10T19:24:50+00:00","triaged_at":"2026-11-10T19:40:42+00:00","updated_at":"2026-11-10T23:21:30+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:40:42Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"local","title":"Windows: use-after-free in rasterization platform lets a local user gain privileges","impact":"high","summary":"A use-after-free bug in the Windows Advanced Rasterization Platform lets an attacker who already has a local account raise their privileges. The sources do not describe any remote trigger.","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 system control","analyst_note":"Find the affected Windows builds and Microsoft's patch from the MSRC advisory for CVE-2026-118215; the NVD entry gives neither.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-accounts"],"who_is_affected":"Any Windows machine where a user already has a local account is in scope, since the attacker must be authorized on the system first. The sources do not name affected Windows builds or a patch, so unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000655,"input_tokens":4492,"output_tokens":412,"severity_before":"high"},"analyst_status":"done","analyst_note":"Find the affected Windows builds and Microsoft's patch from the MSRC advisory for CVE-2026-118215; the NVD entry gives neither.","search":"'-118215':17A,20A '-2026':16A,19A 'account':43B 'advanc':32B,60C 'allow':63C 'alreadi':39B 'attack':37B,66C 'author':65C 'bug':28B 'cve':15A,18A 'describ':51B 'elev':68C 'free':5A,27B,57C 'gain':13A 'infrastructur':21B 'let':9A,35B 'local':11A,42B,70C 'platform':8A,34B,62C 'privileg':14A,46B,69C 'rais':44B 'raster':7A,33B,61C 'remot':53B 'sourc':48B 'trigger':54B 'use':3A,25B,55C 'use-after-fre':2A,24B 'user':12A 'window':1A,22B,31B,59C","nicknames":[],"mitigations":[],"who_affected":"Any Windows machine where a user already has a local account is in scope, since the attacker must be authorized on the system first. The sources do not name affected Windows builds or a patch, so unknown.","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":"'-118215':17A,20A '-2026':16A,19A 'cve':15A,18A 'free':5A 'gain':13A 'let':9A 'local':11A 'platform':8A 'privileg':14A 'raster':7A 'use':3A 'use-after-fre':2A 'user':12A 'window':1A","search_b":"'account':43B 'advanc':32B 'alreadi':39B 'attack':37B 'bug':28B 'describ':51B 'free':27B 'infrastructur':21B 'let':35B 'local':42B 'platform':34B 'privileg':46B 'rais':44B 'raster':33B 'remot':53B 'sourc':48B 'trigger':54B 'use':25B 'use-after-fre':24B 'window':22B,31B","search_c":"'advanc':60C 'allow':63C 'attack':66C 'author':65C 'elev':68C 'free':57C 'local':70C 'platform':62C 'privileg':69C 'raster':61C 'use':55C 'window':59C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:19:38+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/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-2026-118215","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118215","severity":null,"published_at":"2026-11-10T19:19:38+00:00","modified_at":"2026-11-10T19:19:38+00:00","first_seen_at":"2026-11-10T19:24:50+00:00","fetched_at":"2026-11-10T19:24:50+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-118215:3150","url":null,"severity":null,"published_at":"2026-11-10T23:21:30+00:00","modified_at":"2026-11-10T23:21:30+00:00","first_seen_at":"2026-11-10T23:21:30+00:00","fetched_at":"2026-11-10T23:21:30+00:00","note":"MSRC advisory page and CVRF not retrievable (JS-only page, CVRF over 10MB); only NVD/Rapid7/VulnFeed rewrites found. VulnFeed lists Windows 10 1809 with fix available, unconfirmed. No builds/KB read, nothing verified. Sibling CVEs 118216-118218 same component. Revisit with MSRC text."}],"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"}