{"id":"CVE-2024-38178","kind":"vulnerability","aliases":["CVE-2024-38178"],"related":[],"title":"Scripting Engine Memory Corruption Vulnerability","description":"Microsoft Windows Scripting Engine contains a memory corruption vulnerability that allows unauthenticated attacker to initiate remote code execution via a specially crafted URL.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"Microsoft Windows Scripting Engine has a memory corruption flaw that lets an attacker run code remotely through a specially crafted URL. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":7.5,"epss":null,"exploited":true,"exploited_at":"2024-08-13T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.20751"],"affected":"< 10.0.10240.20751","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.7259"],"affected":"< 10.0.14393.7259","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.6189"],"affected":"< 10.0.17763.6189","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.4780"],"affected":"< 10.0.19044.4780","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.4780"],"affected":"< 10.0.19045.4780","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.3147"],"affected":"< 10.0.22000.3147","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.4037"],"affected":"< 10.0.22621.4037","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22631.4037"],"affected":"< 10.0.22631.4037","ecosystem":"vendor"},{"name":"microsoft windows 11 24h2","fixed":["10.0.26100.1457"],"affected":"< 10.0.26100.1457","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2016","fixed":["10.0.14393.7259"],"affected":"< 10.0.14393.7259","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.6189"],"affected":"< 10.0.17763.6189","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.2655"],"affected":"< 10.0.20348.2655","ecosystem":"vendor"},{"name":"microsoft windows server 2022 23h2","fixed":["10.0.25398.1085"],"affected":"< 10.0.25398.1085","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","self-hosted","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft security update for CVE-2024-38178 or follow the vendor mitigations; CISA says to discontinue use of the product if mitigations are unavailable.","status":"open","published_at":"2024-08-13T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:58:25+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:58:25Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security update for CVE-2024-38178 or follow the vendor mitigations; CISA says to discontinue use of the product if mitigations are unavailable.","reach":"network","impact":"high","summary":"Microsoft Windows Scripting Engine has a memory corruption flaw that lets an attacker run code remotely through a specially crafted URL. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows","self-hosted"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code remotely on the Windows machine via a crafted URL.","analyst_note":"Confirm the patched Windows build numbers and the exact user interaction needed (CISA KEV entry and Microsoft advisory for CVE-2024-38178).","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000461,"input_tokens":2824,"output_tokens":357,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2024':7A,10A '-38178':8A,11A '10':16A,20A,24A,28A,32A '11':36A,40A,44A,48A '1507':17A '1607':21A '1809':25A '2012':53A '2016':57A '2019':61A '2022':65A,69A '21h2':29A,37A '22h2':33A,41A '23h2':45A,70A '24h2':49A 'action':132C 'activ':102B 'allow':117C 'appli':133C 'attack':89B,119C 'cisa':98B,130C 'code':91B,123C 'contain':111C 'corrupt':4A,84B,114C 'craft':96B,128C 'cve':6A,9A 'discontinu':139C 'engin':2A,80B,110C 'execut':124C 'exploit':71B,103B 'flaw':85B 'host':75B 'infrastructur':72B 'initi':121C 'instruct':137C 'let':87B 'list':99B 'memori':3A,83B,113C 'microsoft':12A,14A,18A,22A,26A,30A,34A,38A,42A,46A,50A,54A,58A,62A,66A,77B,107C 'mitig':134C,145C 'per':135C 'product':143C 'remot':92B,122C 'requir':131C 'run':90B 'script':1A,79B,109C 'self':74B 'self-host':73B 'server':52A,56A,60A,64A,68A 'special':95B,127C 'unauthent':118C 'unavail':147C 'url':97B,129C 'use':140C 'vendor':136C 'via':125C 'vulner':5A,115C 'wild':106B 'window':76B,78B,108C 'windows':13A,15A,19A,23A,27A,31A,35A,39A,43A,47A,51A,55A,59A,63A,67A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-08-13T00:00:00+00:00","kev":{"dateAdded":"2024-08-13","dueDate":"2024-09-03","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2024-38178","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-38178","severity":null,"published_at":"2024-08-13T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T14:39:38+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-38178","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38178","severity":null,"published_at":"2024-08-13T18:15:26+00:00","modified_at":"2026-06-17T07:39:37+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}