{"id":"CVE-2026-69446","kind":"vulnerability","aliases":["CVE-2026-69446"],"related":[],"title":"Microsoft Edge: incorrect authorization lets a local user gain privileges","description":"Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.","summary":"Microsoft Edge (Chromium-based) has an incorrect authorization check that lets an already-authorized local user elevate their privileges. An attacker who already has a local account can gain higher rights on the machine.","severity":"medium","cvss":4.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chromium","microsoft-edge","runtime","windows"],"not_affected_if":[],"how_to_check":"- Check the installed Edge version by opening `edge://settings/help` or running `microsoft-edge --version` on Linux","fix":null,"status":"open","published_at":"2026-10-30T18:18:07+00:00","first_seen_at":"2026-10-30T18:55:30+00:00","triaged_at":"2026-10-30T18:57:13+00:00","updated_at":"2026-10-30T18:57:13+00:00","category":"runtime","confidence":0.5,"triage":{"at":"2026-10-30T18:57:13Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Microsoft Edge: incorrect authorization lets a local user gain privileges","impact":"high","summary":"Microsoft Edge (Chromium-based) has an incorrect authorization check that lets an already-authorized local user elevate their privileges. An attacker who already has a local account can gain higher rights on the machine.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["microsoft-edge","windows","chromium"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user gains elevated privileges on the machine","analyst_note":"Check the Microsoft Security Response Center entry for CVE-2026-69446 for affected and fixed Edge versions.","how_to_check":"- Check the installed Edge version by opening `edge://settings/help` or running `microsoft-edge --version` on Linux\n- unknown","plain_action":"Update Microsoft Edge to the latest version through its built-in update check.","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000619,"input_tokens":4075,"output_tokens":422,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-69446':13A,16A 'account':51B 'allow':67C 'alreadi':37B,47B 'already-author':36B 'attack':45B,70C 'author':4A,31B,38B,60C,69C 'base':27B,66C 'check':32B 'chromium':17B,26B,65C 'chromium-bas':25B,64C 'cve':11A,14A 'edg':2A,20B,24B,63C 'elev':41B,72C 'gain':9A,53B 'higher':54B 'incorrect':3A,30B,59C 'let':5A,34B 'local':7A,39B,50B,74C 'machin':58B 'microsoft':1A,19B,23B,62C 'microsoft-edg':18B 'privileg':10A,43B,73C 'right':55B 'runtim':21B 'user':8A,40B 'window':22B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":"Update Microsoft Edge to the latest version through its built-in update check.","first_public_at":"2026-10-30T18:18:07+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-69446","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69446","severity":null,"published_at":"2026-10-30T18:18:07+00:00","modified_at":"2026-10-30T18:18:07+00:00","first_seen_at":"2026-10-30T18:55:30+00:00","fetched_at":"2026-10-30T18:55:30+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}