{"id":"CVE-2022-22718","kind":"vulnerability","aliases":["CVE-2022-22718"],"related":[],"title":"Microsoft Windows: Microsoft Windows Print Spooler Privilege Escalation Vulnerability","description":"Microsoft Windows Print Spooler contains an unspecified vulnerability which allow for privilege escalation.\n\nCISA required action: Apply updates per vendor instructions.","summary":"A flaw in the Windows Print Spooler service lets a local user raise their privileges. Attackers use it after gaining a foothold on a machine, and CISA lists it as exploited in the wild.","severity":"high","cvss":7.8,"epss":0.18464,"exploited":true,"exploited_at":"2022-04-19T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","print-spooler","windows"],"not_affected_if":["print-spooler-disabled"],"how_to_check":null,"fix":"Apply the Microsoft update for CVE-2022-22718 per vendor instructions; the sources do not name the patched build.","status":"open","published_at":"2022-02-09T17:15:10+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:17:46+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:17:46Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft update for CVE-2022-22718 per vendor instructions; the sources do not name the patched build.","reach":"local","impact":"high","summary":"A flaw in the Windows Print Spooler service lets a local user raise their privileges. Attackers use it after gaining a foothold on a machine, and CISA lists it as exploited in the wild.","category":"infrastructure","who_cares":["windows","print-spooler"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local attacker gains SYSTEM privileges on the Windows machine","analyst_note":"Find the Microsoft security update guide entry for CVE-2022-22718 to confirm patched builds and whether the Print Spooler service can be disabled as a mitigation.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["print-spooler-disabled"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000453,"input_tokens":2821,"output_tokens":341,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':11A,14A '-22718':12A,15A 'action':73C 'allow':67C 'appli':74C 'attack':39B 'cisa':50B,71C 'contain':62C 'cve':10A,13A 'escal':8A,70C 'exploit':18B,54B 'flaw':25B 'foothold':45B 'gain':43B 'infrastructur':19B 'instruct':78C 'let':32B 'list':51B 'local':34B 'machin':48B 'microsoft':1A,3A,16A,58C 'per':76C 'print':5A,21B,29B,60C 'print-spool':20B 'privileg':7A,38B,69C 'rais':36B 'requir':72C 'servic':31B 'spooler':6A,22B,30B,61C 'unspecifi':64C 'updat':75C 'use':40B 'user':35B 'vendor':77C 'vulner':9A,65C 'wild':57B 'window':2A,4A,23B,28B,59C 'windows':17A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-02-09T17:15:10+00:00","kev":{"dateAdded":"2022-04-19","dueDate":"2022-05-10","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-2022-22718","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-22718","severity":null,"published_at":"2022-04-19T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T16:39:48+00:00","note":null},{"source":"epss","external_id":"CVE-2022-22718","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-22718","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-22718","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-22718","severity":null,"published_at":"2022-02-09T17:15:10+00:00","modified_at":"2026-06-17T04:28:51+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}