{"id":"CVE-2026-105533","kind":"vulnerability","aliases":["CVE-2026-105533"],"related":[],"title":"Windows COM: invalid pointer release lets a local user gain privileges","description":"Release of invalid pointer or reference in Windows COM allows an authorized attacker to elevate privileges locally.","summary":"A flaw in the Windows COM component releases an invalid pointer or reference, which an authorized local user can abuse. The attacker can elevate their privileges on the affected Windows machine.","severity":"high","cvss":7.0,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Windows COM","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:17:53+00:00","first_seen_at":"2026-11-10T19:24:18+00:00","triaged_at":"2026-11-10T19:54:07+00:00","updated_at":"2026-11-10T19:54:07+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T19:54:07Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Windows COM: invalid pointer release lets a local user gain privileges","impact":"high","summary":"A flaw in the Windows COM component releases an invalid pointer or reference, which an authorized local user can abuse. The attacker can elevate their privileges on the affected Windows machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains administrator-level privileges on the Windows machine","analyst_note":"Find the affected Windows builds and the Microsoft advisory for CVE-2026-105533 to confirm the fix and the patch version.","how_to_check":"- unknown","plain_action":"","product_name":"Windows COM","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Windows machines where a user already has a local account can be used to gain higher privileges. The sources do not name affected Windows builds or whether the flaw is reachable from a remote session. unknown","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000661,"input_tokens":4488,"output_tokens":424,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Find the affected Windows builds and the Microsoft advisory for CVE-2026-105533 to confirm the fix and the patch version.","search":"'-105533':14A,17A '-2026':13A,16A 'abus':41B 'affect':50B 'allow':62C 'attack':43B,65C 'author':37B,64C 'com':2A,19A,27B,61C 'compon':28B 'cve':12A,15A 'elev':45B,67C 'flaw':23B 'gain':10A 'infrastructur':20B 'invalid':3A,31B,55C 'let':6A 'local':8A,38B,69C 'machin':52B 'pointer':4A,32B,56C 'privileg':11A,47B,68C 'refer':34B,58C 'releas':5A,29B,53C 'user':9A,39B 'window':1A,21B,26B,51B,60C 'windows':18A","nicknames":[],"mitigations":[],"who_affected":"Windows machines where a user already has a local account can be used to gain higher privileges. The sources do not name affected Windows builds or whether the flaw is reachable from a remote session. unknown","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":["com","windowscom"],"ptokens":["com","windows"],"labels":["high","infrastructure","vendor","windows"],"campaign_type":null,"search_a":"'-105533':14A,17A '-2026':13A,16A 'com':2A,19A 'cve':12A,15A 'gain':10A 'invalid':3A 'let':6A 'local':8A 'pointer':4A 'privileg':11A 'releas':5A 'user':9A 'window':1A 'windows':18A","search_b":"'abus':41B 'affect':50B 'attack':43B 'author':37B 'com':27B 'compon':28B 'elev':45B 'flaw':23B 'infrastructur':20B 'invalid':31B 'local':38B 'machin':52B 'pointer':32B 'privileg':47B 'refer':34B 'releas':29B 'user':39B 'window':21B,26B,51B","search_c":"'allow':62C 'attack':65C 'author':64C 'com':61C 'elev':67C 'invalid':55C 'local':69C 'pointer':56C 'privileg':68C 'refer':58C 'releas':53C 'window':60C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:17:53+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-2026-105533","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105533","severity":null,"published_at":"2026-11-10T19:17:53+00:00","modified_at":"2026-11-10T19:17:54+00:00","first_seen_at":"2026-11-10T19:24:18+00:00","fetched_at":"2026-11-10T19:24:18+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"}