{"id":"CVE-2022-41033","kind":"vulnerability","aliases":["CVE-2022-41033"],"related":[],"title":"Windows COM+ Event System Service Elevation of Privilege Vulnerability","description":"Microsoft Windows COM+ Event System Service contains an unspecified vulnerability that allows for privilege escalation.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Microsoft Windows COM+ Event System Service has a privilege escalation flaw that lets a local user gain higher privileges on the machine. CISA lists it as actively exploited in the wild.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2022-10-11T00:00:00+00:00","products":[{"name":"Microsoft Windows COM+ Event System Service","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.19507"],"affected":"< 10.0.10240.19507","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.5427"],"affected":"< 10.0.14393.5427","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.3532"],"affected":"< 10.0.17763.3532","ecosystem":"vendor"},{"name":"microsoft windows 10 20h2","fixed":["10.0.19042.2130"],"affected":"< 10.0.19042.2130","ecosystem":"vendor"},{"name":"microsoft windows 10 21h1","fixed":["10.0.19043.2130"],"affected":"< 10.0.19043.2130","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.2130"],"affected":"< 10.0.19044.2130","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.1098"],"affected":"< 10.0.22000.1098","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.674"],"affected":"< 10.0.22621.674","ecosystem":"vendor"},{"name":"microsoft windows 7","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 8.1","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows rt 8.1","fixed":[],"affected":"","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":["10.0.14393.5427"],"affected":"< 10.0.14393.5427","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.3532"],"affected":"< 10.0.17763.3532","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.1129"],"affected":"< 10.0.20348.1129","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","windows"],"not_affected_if":[],"how_to_check":null,"fix":"Apply the Microsoft Windows updates for CVE-2022-41033 per vendor instructions, as CISA requires.","status":"open","published_at":"2022-10-11T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:10:31+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:10:31Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows updates for CVE-2022-41033 per vendor instructions, as CISA requires.","reach":"local","impact":"high","summary":"Microsoft Windows COM+ Event System Service has a privilege escalation flaw that lets a local user gain higher privileges on the machine. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local attacker gains elevated privileges, potentially SYSTEM, on the Windows host.","analyst_note":"Find the Microsoft Security Update Guide entry for CVE-2022-41033 to confirm affected Windows builds, patched KB numbers and detection steps.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000448,"input_tokens":2805,"output_tokens":334,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':11A,14A '-41033':12A,15A '10':24A,28A,32A,36A,40A,44A '11':48A,52A '1507':25A '1607':29A '1809':33A '2008':67A,71A '2012':75A,79A '2016':83A '2019':87A '2022':91A '20h2':37A '21h1':41A '21h2':45A,49A '22h2':53A '7':56A '8.1':59A,63A 'action':143C 'activ':121B 'allow':137C 'appli':144C 'cisa':117B,141C 'com':2A,18A,97B,128C 'contain':132C 'cve':10A,13A 'elev':6A 'escal':104B,140C 'event':3A,19A,98B,129C 'exploit':92B,122B 'flaw':105B 'gain':111B 'higher':112B 'infrastructur':93B 'instruct':148C 'let':107B 'list':118B 'local':109B 'machin':116B 'microsoft':16A,22A,26A,30A,34A,38A,42A,46A,50A,54A,57A,60A,64A,68A,72A,76A,80A,84A,88A,95B,126C 'per':146C 'privileg':8A,103B,113B,139C 'requir':142C 'rt':62A 'server':66A,70A,74A,78A,82A,86A,90A 'servic':5A,100B,131C 'service':21A 'system':4A,20A,99B,130C 'unspecifi':134C 'updat':145C 'user':110B 'vendor':147C 'vulner':9A,135C 'wild':125B 'window':1A,94B,96B,127C 'windows':17A,23A,27A,31A,35A,39A,43A,47A,51A,55A,58A,61A,65A,69A,73A,77A,81A,85A,89A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-10-11T00:00:00+00:00","kev":{"dateAdded":"2022-10-11","dueDate":"2022-11-01","requiredAction":"Apply updates per vendor instructions.","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-2022-41033","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-41033","severity":null,"published_at":"2022-10-11T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T16:39:47+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-41033","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41033","severity":null,"published_at":"2022-10-11T19:15:20+00:00","modified_at":"2026-06-17T05:02:27+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"}