{"id":"CVE-2017-8570","kind":"vulnerability","aliases":["CVE-2017-8570"],"related":[],"title":"Microsoft Office: Microsoft Office Remote Code Execution Vulnerability","description":"Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka \"Microsoft Office Remote Code Execution Vulnerability\". This CVE ID is unique from CVE-2017-0243.","summary":"Microsoft Office fails to properly handle objects in memory, allowing remote code execution. An attacker who gets a user to open a crafted document can run code as that user.","severity":"critical","cvss":9.3,"epss":0.89889,"exploited":true,"exploited_at":"2022-02-25T00:00:00+00:00","products":[{"name":"Microsoft Office","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","microsoft-office","other","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft Office security updates per vendor instructions (CISA required action); specific fixed builds are unknown from the sources.","status":"open","published_at":"2017-07-11T21:29:01+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:26:28+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T21:26:28Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Office security updates per vendor instructions (CISA required action); specific fixed builds are unknown from the sources.","reach":"internet","impact":"high","summary":"Microsoft Office fails to properly handle objects in memory, allowing remote code execution. An attacker who gets a user to open a crafted document can run code as that user.","category":"other","who_cares":["microsoft-office","windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code as the logged-in Office user after opening a crafted file","analyst_note":"Find the Microsoft security update guide entry for CVE-2017-8570 and list the fixed Office builds and the exploit delivery method.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00044,"input_tokens":2812,"output_tokens":318,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0243':86C '-2017':10A,13A,85C '-8570':11A,14A 'aka':71C 'allow':32B,55C 'attack':37B 'code':6A,34B,49B,58C,75C 'craft':45B 'cve':9A,12A,79C,84C 'document':46B 'due':61C 'execut':7A,35B,59C,76C 'exploit':17B 'fail':25B 'get':39B 'handl':28B,67C 'id':80C 'memori':31B,70C 'microsoft':1A,3A,15A,19B,23B,53C,72C 'microsoft-offic':18B 'object':29B,68C 'offic':2A,4A,20B,24B,54C,73C 'office':16A 'open':43B 'proper':27B 'remot':5A,33B,57C,74C 'run':48B 'uniqu':82C 'user':41B,52B 'vulner':8A,60C,77C 'way':64C 'window':22B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2017-07-11T21:29:01+00:00","kev":{"dateAdded":"2022-02-25","dueDate":"2022-08-25","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2017-8570","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-8570","severity":null,"published_at":"2022-02-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T10:39:07+00:00","note":null},{"source":"epss","external_id":"CVE-2017-8570","url":"https://api.first.org/data/v1/epss?cve=CVE-2017-8570","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2017-8570","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8570","severity":null,"published_at":"2017-07-11T21:29:01+00:00","modified_at":"2026-06-17T01:26:35+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}