{"id":"CVE-2022-41128","kind":"vulnerability","aliases":["CVE-2022-41128"],"related":[],"title":"Windows Scripting Languages Remote Code Execution Vulnerability","description":"Microsoft Windows contains an unspecified vulnerability in the JScript9 scripting language which allows for remote code execution.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Microsoft Windows has an unspecified flaw in the JScript9 scripting engine that allows remote code execution. CISA lists it as actively exploited in the wild.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2022-11-08T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.19567"],"affected":"< 10.0.10240.19567","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.5501"],"affected":"< 10.0.14393.5501","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.3650"],"affected":"< 10.0.17763.3650","ecosystem":"vendor"},{"name":"microsoft windows 10 20h2","fixed":["10.0.19042.2251"],"affected":"< 10.0.19042.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 21h1","fixed":["10.0.19043.2251"],"affected":"< 10.0.19043.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.2251"],"affected":"< 10.0.19044.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.2251"],"affected":"< 10.0.19045.2251","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.1219"],"affected":"< 10.0.22000.1219","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.819"],"affected":"< 10.0.22621.819","ecosystem":"vendor"},{"name":"microsoft windows 7","fixed":[],"affected":"= sp1","ecosystem":"vendor"},{"name":"microsoft windows 8.1","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2008","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2016","fixed":["10.0.14393.5501"],"affected":"< 10.0.14393.5501","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.3650"],"affected":"< 10.0.17763.3650","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.1249"],"affected":"< 10.0.20348.1249","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft Windows updates per vendor instructions, as CISA requires.","status":"open","published_at":"2022-11-08T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:57+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:08:57Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows updates per vendor instructions, as CISA requires.","reach":"unknown","impact":"high","summary":"Microsoft Windows has an unspecified flaw in the JScript9 scripting engine that allows remote code execution. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs code on the Windows machine via a crafted script.","analyst_note":"Find the Microsoft advisory for CVE-2022-41128 to confirm affected Windows builds, the patch KB numbers, and whether user interaction is needed.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000435,"input_tokens":2786,"output_tokens":313,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':9A,12A '-41128':10A,13A '10':18A,22A,26A,30A,34A,38A,42A '11':46A,50A '1507':19A '1607':23A '1809':27A '2008':61A '2012':65A,69A '2016':73A '2019':77A '2022':81A '20h2':31A '21h1':35A '21h2':39A,47A '22h2':43A,51A '7':54A '8.1':57A 'action':129C 'activ':105B 'allow':97B,122C 'appli':130C 'cisa':101B,127C 'code':5A,99B,125C 'contain':112C 'cve':8A,11A 'engin':95B 'execut':6A,100B,126C 'exploit':82B,106B 'flaw':90B 'infrastructur':83B 'instruct':134C 'jscript9':93B,118C 'languag':3A,120C 'list':102B 'microsoft':14A,16A,20A,24A,28A,32A,36A,40A,44A,48A,52A,55A,58A,62A,66A,70A,74A,78A,85B,110C 'per':132C 'remot':4A,98B,124C 'requir':128C 'script':2A,94B,119C 'server':60A,64A,68A,72A,76A,80A 'unspecifi':89B,114C 'updat':131C 'vendor':133C 'vulner':7A,115C 'wild':109B 'window':1A,84B,86B,111C 'windows':15A,17A,21A,25A,29A,33A,37A,41A,45A,49A,53A,56A,59A,63A,67A,71A,75A,79A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-11-08T00:00:00+00:00","kev":{"dateAdded":"2022-11-08","dueDate":"2022-12-09","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":"secure@microsoft.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-41128","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-41128","severity":null,"published_at":"2022-11-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T13:39:31+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-41128","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41128","severity":null,"published_at":"2022-11-09T22:15:25+00:00","modified_at":"2026-08-10T16:18:24+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}