{"id":"CVE-2025-62215","kind":"vulnerability","aliases":["CVE-2025-62215"],"related":[],"title":"Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows…","description":"Microsoft Windows Kernel contains a race condition vulnerability that allows a local attacker with low-level privileges to escalate privileges. Successful exploitation of this vulnerability could enable the attacker to gain SYSTEM-level access.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"A race condition in the Windows kernel lets a local user with low privileges escalate to SYSTEM. CISA lists it as actively exploited in the wild.","severity":"high","cvss":7.0,"epss":null,"exploited":true,"exploited_at":"2025-11-12T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.8027"],"affected":"< 10.0.17763.8027","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.6575"],"affected":"< 10.0.19044.6575","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.6575"],"affected":"< 10.0.19045.6575","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22631.6199"],"affected":"< 10.0.22631.6199","ecosystem":"vendor"},{"name":"microsoft windows 11 24h2","fixed":["10.0.26100.7092"],"affected":"< 10.0.26100.7092","ecosystem":"vendor"},{"name":"microsoft windows 11 25h2","fixed":["10.0.26200.7092"],"affected":"< 10.0.26200.7092","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.8027"],"affected":"< 10.0.17763.8027","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.4346"],"affected":"< 10.0.20348.4346","ecosystem":"vendor"},{"name":"microsoft windows server 2022 23h2","fixed":["10.0.25398.1965"],"affected":"< 10.0.25398.1965","ecosystem":"vendor"},{"name":"microsoft windows server 2025","fixed":["10.0.26100.7092"],"affected":"< 10.0.26100.7092","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows","windows-kernel"],"not_affected_if":[],"how_to_check":null,"fix":"Apply the Microsoft security update for CVE-2025-62215 per vendor instructions; the sources do not name the patched build.\nIf no mitigation is available, CISA says to discontinue use of the product.","status":"open","published_at":"2025-11-11T18:15:48+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:44:21+00:00","updated_at":"2026-10-23T23:44:51+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:44:21Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security update for CVE-2025-62215 per vendor instructions; the sources do not name the patched build.\nIf no mitigation is available, CISA says to discontinue use of the product.","reach":"local","summary":"A race condition in the Windows kernel lets a local user with low privileges escalate to SYSTEM. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows","windows-kernel"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with a low-privilege local account gains full SYSTEM control of the machine.","analyst_note":"Find the Microsoft MSRC advisory for CVE-2025-62215 to get affected Windows builds, the patch KB, and any detection guidance.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000426,"input_tokens":2554,"output_tokens":341,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':144C '-2025':16A,19A '-62215':17A,20A '10':25A,29A,33A '11':37A,41A,45A '1809':26A '2019':50A '2022':54A,58A '2025':63A '21h2':30A '22':143C '22h2':34A '23h2':38A,59A '24h2':42A '25h2':46A 'access':131C 'action':134C 'activ':91B 'allow':14A,105C 'appli':135C 'applic':141C 'attack':108C,125C 'bod':142C 'cisa':87B,132C 'cloud':147C 'concurr':1A 'condit':10A,72B,102C 'contain':99C 'could':122C 'cve':15A,18A 'discontinu':150C 'enabl':123C 'escal':84B,115C 'execut':2A 'exploit':64B,92B,118C 'follow':140C 'gain':127C 'guidanc':145C 'improp':7A 'infrastructur':65B 'instruct':139C 'kernel':13A,69B,76B,98C 'let':77B 'level':112C,130C 'list':88B 'local':79B,107C 'low':82B,111C 'low-level':110C 'microsoft':21A,23A,27A,31A,35A,39A,43A,47A,51A,55A,60A,96C 'mitig':136C,156C 'per':137C 'privileg':83B,113C,116C 'product':154C 'race':9A,71B,101C 'requir':133C 'resourc':5A 'server':49A,53A,57A,62A 'servic':148C 'share':4A 'success':117C 'synchron':8A 'system':86B,129C 'system-level':128C 'unavail':158C 'use':3A,151C 'user':80B 'vendor':138C 'vulner':103C,121C 'wild':95B 'window':12A,66B,68B,75B,97C 'windows':22A,24A,28A,32A,36A,40A,44A,48A,52A,56A,61A 'windows-kernel':67B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-11-11T18:15:48+00:00","kev":{"dateAdded":"2025-11-12","dueDate":"2025-12-03","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"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-2025-62215","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-62215","severity":null,"published_at":"2025-11-12T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T11:39:14+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-62215","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62215","severity":null,"published_at":"2025-11-11T18:15:48+00:00","modified_at":"2026-06-17T09:51:34+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+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"}