{"id":"CVE-2024-30088","kind":"vulnerability","aliases":["CVE-2024-30088"],"related":[],"title":"Windows Kernel Elevation of Privilege Vulnerability","description":"Microsoft Windows Kernel contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability that could allow for privilege escalation.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"A race condition in the Windows kernel lets a process that already runs on the machine swap a value between the kernel's check and its use, gaining higher privileges. CISA lists it as actively exploited and tied to ransomware campaigns.","severity":"high","cvss":7.0,"epss":null,"exploited":true,"exploited_at":"2024-10-15T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.20680"],"affected":"< 10.0.10240.20680","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.7070"],"affected":"< 10.0.14393.7070","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.5936"],"affected":"< 10.0.17763.5936","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.4529"],"affected":"< 10.0.19044.4529","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.4529"],"affected":"< 10.0.19045.4529","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.3019"],"affected":"< 10.0.22000.3019","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.3737"],"affected":"< 10.0.22621.3737","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22631.3737"],"affected":"< 10.0.22631.3737","ecosystem":"vendor"},{"name":"microsoft windows server 2016","fixed":["10.0.14393.7070"],"affected":"< 10.0.14393.7070","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.5936"],"affected":"< 10.0.17763.5936","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.2522"],"affected":"< 10.0.20348.2522","ecosystem":"vendor"},{"name":"microsoft windows server 2022 23h2","fixed":["10.0.25398.950"],"affected":"< 10.0.25398.950","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","ransomware","self-hosted","windows"],"not_affected_if":[],"how_to_check":null,"fix":"Apply the Microsoft security update for CVE-2024-30088 per vendor instructions; the sources do not name the patched build.","status":"open","published_at":"2024-06-11T17:15:56+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:56:25+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:56:25Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security update for CVE-2024-30088 per vendor instructions; the sources do not name the patched build.","reach":"local","impact":"high","summary":"A race condition in the Windows kernel lets a process that already runs on the machine swap a value between the kernel's check and its use, gaining higher privileges. CISA lists it as actively exploited and tied to ransomware campaigns.","category":"infrastructure","who_cares":["windows","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local user escalates to SYSTEM, gaining full control of the machine.","analyst_note":"Find the Microsoft advisory for CVE-2024-30088 to confirm affected Windows builds and the patched KB numbers.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000449,"input_tokens":2825,"output_tokens":332,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2024':8A,11A '-30088':9A,12A '10':17A,21A,25A,29A,33A '11':37A,41A,45A '1507':18A '1607':22A '1809':26A '2016':50A '2019':54A '2022':58A,62A '21h2':30A,38A '22h2':34A,42A '23h2':46A,63A 'action':138C 'activ':105B 'allow':132C 'alreadi':82B 'appli':139C 'campaign':111B 'check':94B,120C 'cisa':101B,136C 'condit':73B,128C 'contain':115C 'could':131C 'cve':7A,10A 'discontinu':145C 'elev':3A 'escal':135C 'exploit':64B,106B 'gain':98B 'higher':99B 'host':69B 'infrastructur':65B 'instruct':143C 'kernel':2A,77B,92B,114C 'let':78B 'list':102B 'machin':86B 'microsoft':13A,15A,19A,23A,27A,31A,35A,39A,43A,47A,51A,55A,59A,112C 'mitig':140C,151C 'per':141C 'privileg':5A,100B,134C 'process':80B 'product':149C 'race':72B,127C 'ransomwar':66B,110B 'requir':137C 'run':83B 'self':68B 'self-host':67B 'server':49A,53A,57A,61A 'swap':87B 'tie':108B 'time':118C,123C 'time-of-check':117C 'time-of-us':122C 'toctou':126C 'unavail':153C 'use':97B,125C,146C 'valu':89B 'vendor':142C 'vulner':6A,129C 'window':1A,70B,76B,113C 'windows':14A,16A,20A,24A,28A,32A,36A,40A,44A,48A,52A,56A,60A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-06-11T17:15:56+00:00","kev":{"dateAdded":"2024-10-15","dueDate":"2024-11-05","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:L/AC:H/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-2024-30088","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-30088","severity":null,"published_at":"2024-10-15T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:22+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-30088","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30088","severity":null,"published_at":"2024-06-11T17:15:56+00:00","modified_at":"2026-08-04T05:16:30+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"}