{"id":"CVE-2024-38080","kind":"vulnerability","aliases":["CVE-2024-38080"],"related":[],"title":"Windows Hyper-V Elevation of Privilege Vulnerability","description":"Microsoft Windows Hyper-V contains a privilege escalation vulnerability that allows a local attacker with user permissions 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 Microsoft Windows Hyper-V lets a local user with ordinary permissions escalate to SYSTEM privileges. It is listed as exploited in the wild by CISA's Known Exploited Vulnerabilities catalog.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2024-07-09T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.3079"],"affected":"< 10.0.22000.3079","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.3880"],"affected":"< 10.0.22621.3880","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22631.3880"],"affected":"< 10.0.22631.3880","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.2582"],"affected":"< 10.0.20348.2582","ecosystem":"vendor"},{"name":"microsoft windows server 2022 23h2","fixed":["10.0.25398.1009"],"affected":"< 10.0.25398.1009","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","hyper-v","infrastructure","windows","windows-server"],"not_affected_if":["hyper-v-not-enabled"],"how_to_check":null,"fix":"Apply the Microsoft security update for CVE-2024-38080 per vendor instructions; the sources do not name the patched build.\nIf no mitigation is available, CISA says to discontinue use of the affected product.","status":"open","published_at":"2024-07-09T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:58:35+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:58:35Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security update for CVE-2024-38080 per vendor instructions; the sources do not name the patched build.\nIf no mitigation is available, CISA says to discontinue use of the affected product.","reach":"local","impact":"high","summary":"A flaw in Microsoft Windows Hyper-V lets a local user with ordinary permissions escalate to SYSTEM privileges. It is listed as exploited in the wild by CISA's Known Exploited Vulnerabilities catalog.","category":"infrastructure","who_cares":["windows","hyper-v","windows-server"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local user gains full SYSTEM control of the Windows host","analyst_note":"Find the Microsoft advisory for CVE-2024-38080 to get the fixed build numbers and check whether the Hyper-V role must be enabled to be vulnerable.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["hyper-v-not-enabled"],"user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"high"},"cost_usd":0.000478,"input_tokens":2819,"output_tokens":393,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2024':10A,13A '-38080':11A,14A '11':19A,23A,27A '2022':32A,36A '21h2':20A '22h2':24A '23h2':28A,37A 'action':105C 'allow':92C 'appli':106C 'attack':95C 'catalog':80B 'cisa':75B,103C 'contain':86C 'cve':9A,12A 'discontinu':112C 'elev':5A 'escal':62B,89C 'exploit':38B,70B,78B 'flaw':48B 'gain':100C 'hyper':3A,40B,53B,84C 'hyper-v':2A,39B,52B,83C 'infrastructur':42B 'instruct':110C 'known':77B 'let':55B 'list':68B 'local':57B,94C 'microsoft':15A,17A,21A,25A,29A,33A,50B,81C 'mitig':107C,118C 'ordinari':60B 'per':108C 'permiss':61B,98C 'privileg':7A,65B,88C,102C 'product':116C 'requir':104C 'server':31A,35A,46B 'system':64B,101C 'unavail':120C 'use':113C 'user':58B,97C 'v':4A,41B,54B,85C 'vendor':109C 'vulner':8A,79B,90C 'wild':73B 'window':1A,43B,45B,51B,82C 'windows':16A,18A,22A,26A,30A,34A 'windows-serv':44B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-07-09T00:00:00+00:00","kev":{"dateAdded":"2024-07-09","dueDate":"2024-07-30","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-2024-38080","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-38080","severity":null,"published_at":"2024-07-09T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T13:39:30+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-38080","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38080","severity":null,"published_at":"2024-07-09T17:15:43+00:00","modified_at":"2026-06-17T07:39:22+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"}