{"id":"CVE-2026-124228","kind":"vulnerability","aliases":["CVE-2026-124228"],"related":[],"title":"Microsoft Outlook: path traversal lets an authorized attacker run code","description":"Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office Outlook allows an authorized attacker to execute code over a network.","summary":"Microsoft Office Outlook does not restrict a file path to its intended directory, a path traversal flaw. Per NVD, an authorized attacker can execute code over a network.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["microsoft-office","other","outlook","windows"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T19:20:50+00:00","first_seen_at":"2026-11-10T19:25:14+00:00","triaged_at":"2026-11-10T19:26:13+00:00","updated_at":"2026-11-10T19:26:13+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T19:26:13Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Microsoft Outlook: path traversal lets an authorized attacker run code","impact":"high","summary":"Microsoft Office Outlook does not restrict a file path to its intended directory, a path traversal flaw. Per NVD, an authorized attacker can execute code over a network.","audience":"businesses","category":"other","nicknames":[],"who_cares":["outlook","microsoft-office","windows"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"attacker runs code on the affected Outlook host over network","analyst_note":"Check the Microsoft Security Response Center advisory for affected Outlook builds, the fixed update, and whether user interaction is needed; NVD (https://nvd.nist.gov/vuln/detail/CVE-2026-124228) gives no product ranges.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000646,"input_tokens":4510,"output_tokens":389,"severity_before":"high"},"analyst_status":"queued","analyst_note":"Check the Microsoft Security Response Center advisory for affected Outlook builds, the fixed update, and whether user interaction is needed; NVD (https://nvd.nist.gov/vuln/detail/CVE-2026-124228) gives no product ranges.","search":"'-124228':13A,16A '-2026':12A,15A 'allow':66C 'attack':8A,44B,69C 'author':7A,43B,68C 'code':10A,47B,72C 'cve':11A,14A 'directori':35B,59C 'execut':46B,71C 'file':30B 'flaw':39B 'improp':51C 'intend':34B 'let':5A 'limit':52C 'microsoft':1A,18B,23B,63C 'microsoft-offic':17B 'network':50B,75C 'nvd':41B 'offic':19B,24B,64C 'outlook':2A,21B,25B,65C 'path':3A,31B,37B,60C 'pathnam':55C 'per':40B 'restrict':28B,58C 'run':9A 'travers':4A,38B,61C 'window':22B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","microsoftoffice","other","outlook","windows"],"campaign_type":null,"search_a":"'-124228':13A,16A '-2026':12A,15A 'attack':8A 'author':7A 'code':10A 'cve':11A,14A 'let':5A 'microsoft':1A 'outlook':2A 'path':3A 'run':9A 'travers':4A","search_b":"'attack':44B 'author':43B 'code':47B 'directori':35B 'execut':46B 'file':30B 'flaw':39B 'intend':34B 'microsoft':18B,23B 'microsoft-offic':17B 'network':50B 'nvd':41B 'offic':19B,24B 'outlook':21B,25B 'path':31B,37B 'per':40B 'restrict':28B 'travers':38B 'window':22B","search_c":"'allow':66C 'attack':69C 'author':68C 'code':72C 'directori':59C 'execut':71C 'improp':51C 'limit':52C 'microsoft':63C 'network':75C 'offic':64C 'outlook':65C 'path':60C 'pathnam':55C 'restrict':58C 'travers':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T19:20:50+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/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-2026-124228","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124228","severity":null,"published_at":"2026-11-10T19:20:50+00:00","modified_at":"2026-11-10T19:20:50+00:00","first_seen_at":"2026-11-10T19:25:14+00:00","fetched_at":"2026-11-10T19:25:14+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"}