{"id":"CVE-2022-41073","kind":"vulnerability","aliases":["CVE-2022-41073"],"related":[],"title":"Windows Print Spooler Elevation of Privilege Vulnerability","description":"Microsoft Windows Print Spooler contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Microsoft Windows Print Spooler has a privilege escalation flaw that lets a local attacker gain SYSTEM-level privileges. It is listed in CISA's known-exploited catalog and is tagged as used in ransomware campaigns.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2022-11-08T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.19567"],"affected":"< 10.0.10240.19567","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.5501"],"affected":"< 10.0.14393.5501","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.3650"],"affected":"< 10.0.17763.3650","ecosystem":"vendor"},{"name":"microsoft windows 10 20h2","fixed":["10.0.19042.2251"],"affected":"< 10.0.19042.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 21h1","fixed":["10.0.19043.2251"],"affected":"< 10.0.19043.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.2251"],"affected":"< 10.0.19044.2251","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.2251"],"affected":"< 10.0.19045.2251","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.1219"],"affected":"< 10.0.22000.1219","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.819"],"affected":"< 10.0.22621.819","ecosystem":"vendor"},{"name":"microsoft windows 7","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 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":["10.0.14393.5501"],"affected":"< 10.0.14393.5501","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.3650"],"affected":"< 10.0.17763.3650","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.1249"],"affected":"< 10.0.20348.1249","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","print-spooler","ransomware","self-hosted","windows"],"not_affected_if":["print-spooler-disabled"],"how_to_check":null,"fix":"Apply the Microsoft security update for CVE-2022-41073 per vendor instructions (CISA required action); exact KB numbers and affected build ranges are not in the sources.","status":"open","published_at":"2022-11-08T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:56+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:08:56Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft security update for CVE-2022-41073 per vendor instructions (CISA required action); exact KB numbers and affected build ranges are not in the sources.","reach":"local","impact":"high","summary":"Microsoft Windows Print Spooler has a privilege escalation flaw that lets a local attacker gain SYSTEM-level privileges. It is listed in CISA's known-exploited catalog and is tagged as used in ransomware campaigns.","category":"infrastructure","who_cares":["windows","print-spooler","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with local foothold gains SYSTEM privileges on the Windows machine","analyst_note":"Find the Microsoft Security Response Center advisory for CVE-2022-41073 to get affected Windows builds, the patch KB numbers and the mitigation for systems that cannot patch.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["print-spooler-disabled"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000478,"input_tokens":2797,"output_tokens":396,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':9A,12A '-41073':10A,13A '10':18A,22A,26A,30A,34A,38A,42A '11':46A,50A '1507':19A '1607':23A '1809':27A '2008':61A,65A '2012':69A,73A '2016':77A '2019':81A '2022':85A '20h2':31A '21h1':35A '21h2':39A,47A '22h2':43A,51A '7':54A '8.1':57A 'action':153C 'allow':142C 'appli':154C 'attack':109B,144C 'campaign':132B 'catalog':124B 'cisa':119B,151C 'contain':137C 'cve':8A,11A 'elev':4A 'escal':103B 'exploit':86B,123B 'flaw':104B 'gain':110B,146C 'host':94B 'infrastructur':87B 'instruct':158C 'known':122B 'known-exploit':121B 'let':106B 'level':113B,149C 'list':117B 'local':108B 'microsoft':14A,16A,20A,24A,28A,32A,36A,40A,44A,48A,52A,55A,58A,62A,66A,70A,74A,78A,82A,96B,133C 'per':156C 'print':2A,89B,98B,135C 'print-spool':88B 'privileg':6A,102B,114B,150C 'ransomwar':91B,131B 'requir':152C 'self':93B 'self-host':92B 'server':60A,64A,68A,72A,76A,80A,84A 'spooler':3A,90B,99B,136C 'system':112B,148C 'system-level':111B,147C 'tag':127B 'unspecifi':139C 'updat':155C 'use':129B 'vendor':157C 'vulner':7A,140C 'window':1A,95B,97B,134C 'windows':15A,17A,21A,25A,29A,33A,37A,41A,45A,49A,53A,56A,59A,63A,67A,71A,75A,79A,83A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-11-08T00:00:00+00:00","kev":{"dateAdded":"2022-11-08","dueDate":"2022-12-09","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"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-2022-41073","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-41073","severity":null,"published_at":"2022-11-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T15:39:42+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-41073","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41073","severity":null,"published_at":"2022-11-09T22:15:21+00:00","modified_at":"2026-08-10T16:18:19+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"}