{"id":"CVE-2023-36036","kind":"vulnerability","aliases":["CVE-2023-36036"],"related":[],"title":"Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability","description":"Microsoft Windows Cloud Files Mini Filter Driver contains a privilege escalation vulnerability that could allow an attacker to gain SYSTEM privileges.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"A flaw in the Windows Cloud Files Mini Filter Driver lets a local user escalate privileges to SYSTEM. CISA lists it as actively exploited in the wild.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2023-11-14T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.20308"],"affected":"< 10.0.10240.20308","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.6452"],"affected":"< 10.0.14393.6452","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.5122"],"affected":"< 10.0.17763.5122","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19041.3693"],"affected":"< 10.0.19041.3693","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.3693"],"affected":"< 10.0.19045.3693","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.2600"],"affected":"< 10.0.22000.2600","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.2715"],"affected":"< 10.0.22621.2715","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22621.2715"],"affected":"< 10.0.22621.2715","ecosystem":"vendor"},{"name":"microsoft windows server 2008","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":["10.0.14393.6452"],"affected":"< 10.0.14393.6452","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.5122"],"affected":"< 10.0.17763.5122","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.2113"],"affected":"< 10.0.20348.2113","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft update for CVE-2023-36036 per vendor instructions; the sources do not name a patched build.","status":"open","published_at":"2023-11-14T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:02:50+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-23T21:02:50Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft update for CVE-2023-36036 per vendor instructions; the sources do not name a patched build.","reach":"local","impact":"high","summary":"A flaw in the Windows Cloud Files Mini Filter Driver lets a local user escalate privileges to SYSTEM. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows"],"confidence":0.7,"needs_auth":"yes","worst_case":"A local low-privilege user gains SYSTEM rights on the Windows machine.","analyst_note":"Find the Microsoft advisory for CVE-2023-36036 to confirm affected Windows builds, the patched KB, and any detection guidance.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000445,"input_tokens":2832,"output_tokens":323,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':12A,15A '-36036':13A,16A '10':21A,25A,29A,33A,37A '11':41A,45A,49A '1507':22A '1607':26A '1809':30A '2008':54A,58A '2012':62A,66A '2016':70A '2019':74A '2022':78A '21h2':34A,42A '22h2':38A,46A '23h2':50A 'action':132C 'activ':104B 'allow':123C 'appli':133C 'attack':125C 'cisa':100B,130C 'cloud':2A,87B,111C 'contain':116C 'could':122C 'cve':11A,14A 'discontinu':139C 'driver':6A,91B,115C 'elev':7A 'escal':96B,119C 'exploit':79B,105B 'file':3A,88B,112C 'filter':5A,90B,114C 'flaw':83B 'gain':127C 'infrastructur':80B 'instruct':137C 'let':92B 'list':101B 'local':94B 'microsoft':17A,19A,23A,27A,31A,35A,39A,43A,47A,51A,55A,59A,63A,67A,71A,75A,109C 'mini':4A,89B,113C 'mitig':134C,145C 'per':135C 'privileg':9A,97B,118C,129C 'product':143C 'requir':131C 'server':53A,57A,61A,65A,69A,73A,77A 'system':99B,128C 'unavail':147C 'use':140C 'user':95B 'vendor':136C 'vulner':10A,120C 'wild':108B 'window':1A,81B,86B,110C 'windows':18A,20A,24A,28A,32A,36A,40A,44A,48A,52A,56A,60A,64A,68A,72A,76A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-11-14T00:00:00+00:00","kev":{"dateAdded":"2023-11-14","dueDate":"2023-12-05","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2023-36036","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-36036","severity":null,"published_at":"2023-11-14T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T14:39:39+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-36036","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36036","severity":null,"published_at":"2023-11-14T18:15:33+00:00","modified_at":"2026-06-17T06:05:43+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"}