{"id":"CVE-2026-96124","kind":"vulnerability","aliases":["CVE-2026-96124"],"related":[],"title":"Windows Graphics Kernel: use-after-free lets a local user gain privileges","description":"Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.","summary":"A use-after-free bug in the Windows Graphics Kernel lets an attacker who already has a local account raise their privileges. The sources do not describe the exploit path or which Windows builds are affected.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","local-privilege-escalation","windows","windows-graphics-kernel"],"not_affected_if":["no-local-untrusted-users"],"how_to_check":"Run winver, then look up CVE-2026-96124 in the Microsoft Security Update Guide (msrc.microsoft.com/update-guide) for your Windows edition and compare your build with the fixed build. Installing the November 2026 cumulative update is the likely fix, but this is unconfirmed.","fix":null,"status":"open","published_at":"2026-11-10T19:22:09+00:00","first_seen_at":"2026-11-10T19:25:31+00:00","triaged_at":"2026-11-10T19:48:11+00:00","updated_at":"2026-11-10T19:52:44+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-11-10T19:48:11Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Graphics Kernel: use-after-free lets a local user gain privileges","impact":"high","summary":"A use-after-free bug in the Windows Graphics Kernel lets an attacker who already has a local account raise their privileges. The sources do not describe the exploit path or which Windows builds are affected.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows","windows-graphics-kernel"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains higher privileges on the Windows machine","analyst_note":"Find the Microsoft security update entry for CVE-2026-96124 to confirm affected Windows builds and the patch.","how_to_check":"- Check the Windows build with `winver` and compare it against the Microsoft security update guide entry for CVE-2026-96124\n- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-untrusted-users"],"who_is_affected":"Windows machines where an attacker already has a local, authorized account. The sources do not name the affected Windows versions or any special configuration, so the scope is unknown. Shared multi-user hosts, terminal servers and developer workstations are the most exposed.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00069,"input_tokens":4484,"output_tokens":483,"severity_before":"high"},"analyst_status":"done","analyst_note":"Find the Microsoft security update entry for CVE-2026-96124 to confirm affected Windows builds and the patch.","search":"'-2026':15A,18A '-96124':16A,19A 'account':49B 'affect':66B 'allow':74C 'alreadi':45B 'attack':43B,77C 'author':76C 'bug':35B 'build':64B 'cve':14A,17A 'describ':57B 'elev':79C 'escal':24B 'exploit':59B 'free':7A,34B,69C 'gain':12A 'graphic':2A,28B,39B,72C 'infrastructur':20B 'kernel':3A,29B,40B,73C 'let':8A,41B 'local':10A,22B,48B,81C 'local-privilege-escal':21B 'path':60B 'privileg':13A,23B,52B,80C 'rais':50B 'sourc':54B 'use':5A,32B,67C 'use-after-fre':4A,31B 'user':11A 'window':1A,25B,27B,38B,63B,71C 'windows-graphics-kernel':26B","nicknames":[],"mitigations":[],"who_affected":"Windows machines where an attacker already has a local, authorized account. The sources do not name the affected Windows versions or any special configuration, so the scope is unknown. Shared multi-user hosts, terminal servers and developer workstations are the most exposed.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","localprivilegeescalation","windows","windowsgraphicskernel"],"campaign_type":null,"search_a":"'-2026':15A,18A '-96124':16A,19A 'cve':14A,17A 'free':7A 'gain':12A 'graphic':2A 'kernel':3A 'let':8A 'local':10A 'privileg':13A 'use':5A 'use-after-fre':4A 'user':11A 'window':1A","search_b":"'account':49B 'affect':66B 'alreadi':45B 'attack':43B 'bug':35B 'build':64B 'describ':57B 'escal':24B 'exploit':59B 'free':34B 'graphic':28B,39B 'infrastructur':20B 'kernel':29B,40B 'let':41B 'local':22B,48B 'local-privilege-escal':21B 'path':60B 'privileg':23B,52B 'rais':50B 'sourc':54B 'use':32B 'use-after-fre':31B 'window':25B,27B,38B,63B 'windows-graphics-kernel':26B","search_c":"'allow':74C 'attack':77C 'author':76C 'elev':79C 'free':69C 'graphic':72C 'kernel':73C 'local':81C 'privileg':80C 'use':67C 'window':71C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:09+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:H/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-2026-96124","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96124","severity":null,"published_at":"2026-11-10T19:22:09+00:00","modified_at":"2026-11-10T19:22:09+00:00","first_seen_at":"2026-11-10T19:25:31+00:00","fetched_at":"2026-11-10T19:25:31+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96124:2569","url":null,"severity":null,"published_at":"2026-11-10T19:52:44+00:00","modified_at":"2026-11-10T19:52:44+00:00","first_seen_at":"2026-11-10T19:52:44+00:00","fetched_at":"2026-11-10T19:52:44+00:00","note":"Could not read the MSRC entry (JS-only page, CVRF API and browser unavailable); NVD page empty. Builds, KB and fix still unknown. Nothing in November 2026 Patch Tuesday coverage mentions this CVE or says it is exploited. Needs the MSRC entry's affected-products table and KB numbers."}],"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"}