{"id":"CVE-2015-1770","kind":"vulnerability","aliases":["CVE-2015-1770"],"related":[],"title":"Microsoft Office: Microsoft Office Uninitialized Memory Use Vulnerability","description":"Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka \"Microsoft Office Uninitialized Memory Use Vulnerability.\"","summary":"Microsoft Office has an uninitialized memory use flaw that lets a remote attacker run arbitrary code by sending a crafted Office document. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":0.34995,"exploited":true,"exploited_at":"2022-03-28T00:00:00+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 updates per vendor instructions; the specific patch or fixed build is not stated in the sources.","status":"open","published_at":"2015-06-10T01:59:36+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:19:57+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T21:19:57Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Office updates per vendor instructions; the specific patch or fixed build is not stated in the sources.","reach":"internet","impact":"high","summary":"Microsoft Office has an uninitialized memory use flaw that lets a remote attacker run arbitrary code by sending a crafted Office document. CISA lists it as actively exploited in the wild.","category":"other","who_cares":["microsoft-office","windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the victim's machine via a crafted document","analyst_note":"Find the affected Office builds and the Microsoft security bulletin with the fixed versions, and a file or registry check, via the CISA KEV entry for CVE-2015-1770.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000451,"input_tokens":2810,"output_tokens":340,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-1770':11A,14A '-2015':10A,13A '2013':56C,59C 'activ':49B 'aka':74C 'allow':62C 'arbitrari':37B,67C 'attack':35B,64C 'cisa':45B 'code':38B,68C 'craft':42B,71C 'cve':9A,12A 'document':44B,73C 'execut':66C 'exploit':17B,50B 'flaw':30B 'let':32B 'list':46B 'memori':6A,28B,78C 'microsoft':1A,3A,15A,19B,23B,54C,75C 'microsoft-offic':18B 'offic':2A,4A,20B,24B,43B,55C,72C,76C 'office':16A 'remot':34B,63C 'rt':60C 'run':36B 'send':40B 'sp1':57C,61C 'uniniti':5A,27B,77C 'use':7A,29B,79C 'via':69C 'vulner':8A,80C 'wild':53B 'window':22B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2015-06-10T01:59:36+00:00","kev":{"dateAdded":"2022-03-28","dueDate":"2022-04-18","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/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-2015-1770","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2015-1770","severity":null,"published_at":"2022-03-28T00:00:00+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-2015-1770","url":"https://api.first.org/data/v1/epss?cve=CVE-2015-1770","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2015-1770","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-1770","severity":null,"published_at":"2015-06-10T01:59:36+00:00","modified_at":"2026-06-17T00:22:57+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"}