{"id":"CVE-2026-95906","kind":"vulnerability","aliases":["CVE-2026-95906"],"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 outside a buffer. The attacker can use this to elevate privileges on the affected machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","windows"],"not_affected_if":["no-local-accounts"],"how_to_check":"unknown: open the Microsoft Security Update Guide entry for CVE-2026-95906, find your Windows version/build (winver), and check that the listed KB update is installed (Get-HotFix -Id KB<number>).","fix":"unknown: install the November 2026 cumulative Windows update listed in the MSRC entry; KB number not confirmed.","status":"open","published_at":"2026-11-10T19:21:44+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","triaged_at":"2026-11-10T19:49:52+00:00","updated_at":"2026-11-10T20:27:09+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-11-10T19:49:52Z","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 outside a buffer. The attacker can use this to elevate privileges on the affected machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated system privileges on the machine","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-95906 for affected builds and the fixed update.","how_to_check":"- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-local-accounts"],"who_is_affected":"Only machines running a Windows version affected by this flaw are exposed, and the attacker needs a logged-in local account first. The sources do not name the affected Windows builds. unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000651,"input_tokens":4494,"output_tokens":404,"severity_before":"high"},"analyst_status":"done","analyst_note":"Check the Microsoft Security Update Guide entry for CVE-2026-95906 for affected builds and the fixed update.","search":"'-2026':16A,19A '-95906':17A,20A 'account':38B 'affect':54B 'allow':65C 'alreadi':34B 'attack':32B,45B,68C 'author':67C 'bound':7A,59C 'buffer':43B 'cve':15A,18A 'elev':50B,70C 'flaw':24B 'gain':13A 'graphic':2A,28B,63C 'infrastructur':21B 'kernel':3A,29B,64C 'let':9A,30B 'local':11A,37B,72C 'machin':55B 'memori':40B 'out-of-bound':4A,56C 'outsid':41B 'privileg':14A,51B,71C 'read':8A,39B,60C 'use':47B 'user':12A 'window':1A,22B,27B,62C","nicknames":[],"mitigations":[],"who_affected":"Only machines running a Windows version affected by this flaw are exposed, and the attacker needs a logged-in local account first. The sources do not name the affected Windows builds. unknown","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","infrastructure","windows"],"campaign_type":null,"search_a":"'-2026':16A,19A '-95906':17A,20A 'bound':7A 'cve':15A,18A 'gain':13A 'graphic':2A 'kernel':3A 'let':9A 'local':11A 'out-of-bound':4A 'privileg':14A 'read':8A 'user':12A 'window':1A","search_b":"'account':38B 'affect':54B 'alreadi':34B 'attack':32B,45B 'buffer':43B 'elev':50B 'flaw':24B 'graphic':28B 'infrastructur':21B 'kernel':29B 'let':30B 'local':37B 'machin':55B 'memori':40B 'outsid':41B 'privileg':51B 'read':39B 'use':47B 'window':22B,27B","search_c":"'allow':65C 'attack':68C 'author':67C 'bound':59C 'elev':70C 'graphic':63C 'kernel':64C 'local':72C 'out-of-bound':56C 'privileg':71C 'read':60C 'window':62C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:21:44+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-2026-95906","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-95906","severity":null,"published_at":"2026-11-10T19:21:44+00:00","modified_at":"2026-11-10T19:21:44+00:00","first_seen_at":"2026-11-10T19:25:23+00:00","fetched_at":"2026-11-10T19:25:23+00:00","note":null},{"source":"analyst","external_id":"CVE-2026-95906:2658","url":null,"severity":null,"published_at":"2026-11-10T20:27:09+00:00","modified_at":"2026-11-10T20:27:09+00:00","first_seen_at":"2026-11-10T20:27:09+00:00","fetched_at":"2026-11-10T20:27:09+00:00","note":"Could not read MSRC entry (JS-only page; WebFetch returned no content, browser-cli 402, CVRF feed too large). No affected builds, KB or fix confirmed; nothing verified. Nothing found on exploitation (kept exploited=false per NVD record only). X/web search not tried. Needs MSRC page or Nov 2026 CVRF entry for CVE-2026-95906 to settle builds and KB."}],"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"}