{"id":"CVE-2026-96160","kind":"vulnerability","aliases":["CVE-2026-96160"],"related":[],"title":"Windows Graphics Kernel: out-of-bounds read lets a local user gain privileges","description":"Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.","summary":"A flaw in the Windows Graphics Kernel lets an attacker who already has a local account read memory past the end of a buffer. The sources say this lets the attacker elevate privileges on the same machine.","severity":"high","cvss":7.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows Graphics Kernel","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":"Unknown until MSRC lists affected builds and KBs. Check Windows Update history on each machine against the KB in Microsoft's advisory for CVE-2026-96160.","fix":"Unknown: apply Microsoft's November 2026 cumulative update once the advisory lists the KB for your Windows version.","status":"open","published_at":"2026-11-10T19:22:13+00:00","first_seen_at":"2026-11-10T19:25:32+00:00","triaged_at":"2026-11-10T19:36:24+00:00","updated_at":"2026-11-10T19:41:50+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:36:24Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows Graphics Kernel: out-of-bounds read lets a local user gain privileges","impact":"high","summary":"A flaw in the Windows Graphics Kernel lets an attacker who already has a local account read memory past the end of a buffer. The sources say this lets the attacker elevate privileges on the same machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local attacker gains elevated system privileges on the machine","analyst_note":"Check Microsoft's security update guide for CVE-2026-96160 for affected Windows builds and the patch.","how_to_check":"- unknown","plain_action":"","product_name":"Windows Graphics Kernel","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Affected systems are Windows machines with the Graphics Kernel component, where an attacker already has a local account. The sources do not list affected Windows builds or a patch, so the unknown fields need checking against Microsoft's advisory. Machines with no untrusted local users are lower risk.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000682,"input_tokens":4494,"output_tokens":466,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check Microsoft's security update guide for CVE-2026-96160 for affected Windows builds and the patch.","search":"'-2026':16A,19A '-96160':17A,20A 'account':41B 'allow':72C 'alreadi':37B 'attack':35B,56B,75C 'author':74C 'bound':7A,66C 'buffer':49B 'cve':15A,18A 'elev':57B,77C 'end':46B 'flaw':27B 'gain':13A 'graphic':2A,31B,70C 'graphics':22A 'infrastructur':24B 'kernel':3A,23A,32B,71C 'let':9A,33B,54B 'local':11A,40B,79C 'machin':62B 'memori':43B 'out-of-bound':4A,63C 'past':44B 'privileg':14A,58B,78C 'read':8A,42B,67C 'say':52B 'sourc':51B 'user':12A 'window':1A,25B,30B,69C 'windows':21A","nicknames":[],"mitigations":[],"who_affected":"Affected systems are Windows machines with the Graphics Kernel component, where an attacker already has a local account. The sources do not list affected Windows builds or a patch, so the unknown fields need checking against Microsoft's advisory. Machines with no untrusted local users are lower risk.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":["graphicskernel","windowsgraphicskernel"],"ptokens":["graphics","kernel","windows"],"labels":["high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-2026':16A,19A '-96160':17A,20A 'bound':7A 'cve':15A,18A 'gain':13A 'graphic':2A 'graphics':22A 'kernel':3A,23A 'let':9A 'local':11A 'out-of-bound':4A 'privileg':14A 'read':8A 'user':12A 'window':1A 'windows':21A","search_b":"'account':41B 'alreadi':37B 'attack':35B,56B 'buffer':49B 'elev':57B 'end':46B 'flaw':27B 'graphic':31B 'infrastructur':24B 'kernel':32B 'let':33B,54B 'local':40B 'machin':62B 'memori':43B 'past':44B 'privileg':58B 'read':42B 'say':52B 'sourc':51B 'window':25B,30B","search_c":"'allow':72C 'attack':75C 'author':74C 'bound':66C 'elev':77C 'graphic':70C 'kernel':71C 'local':79C 'out-of-bound':63C 'privileg':78C 'read':67C 'window':69C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:22:13+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/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-2026-96160","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96160","severity":null,"published_at":"2026-11-10T19:22:13+00:00","modified_at":"2026-11-10T19:22:13+00:00","first_seen_at":"2026-11-10T19:25:32+00:00","fetched_at":"2026-11-10T19:25:32+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-96160:2540","url":null,"severity":null,"published_at":"2026-11-10T19:41:50+00:00","modified_at":"2026-11-10T19:41:50+00:00","first_seen_at":"2026-11-10T19:41:50+00:00","fetched_at":"2026-11-10T19:41:50+00:00","note":"MSRC page (msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96160) is JS-only; WebFetch returned empty and the browser session died, so only the title was seen: 'Windows Graphics Kernel Elevation of Privilege Vulnerability'. No affected builds, KBs or fixed versions read; nothing verified. CVSS 7.8 local, low privileges, from secure@microsoft.com. No exploitation or PoC recorded. X and web search not tried. Resolve by reading the MSRC page or CVRF entry for the Nov 2026 Patch Tuesday. fix_status reset from none to unknown, since no vendor page backs 'none'."}],"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"}