{"id":"CVE-2019-1322","kind":"vulnerability","aliases":["CVE-2019-1322"],"related":[],"title":"Microsoft Windows: Microsoft Windows Privilege Escalation Vulnerability","description":"A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Windows improperly handles authentication requests, which lets a local user raise their privileges. An attacker who already has a foothold on the machine can run processes in an elevated context.","severity":"high","cvss":7.8,"epss":0.19205,"exploited":true,"exploited_at":"2022-03-15T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","ransomware","windows"],"not_affected_if":["fully-patched-windows"],"how_to_check":null,"fix":"Apply the Microsoft Windows update for CVE-2019-1322 per vendor instructions (CISA KEV required action). Exact patched build numbers are not in the sources.","status":"open","published_at":"2019-10-10T14:15:16+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:22:12+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:22:12Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows update for CVE-2019-1322 per vendor instructions (CISA KEV required action). Exact patched build numbers are not in the sources.","reach":"local","impact":"high","summary":"Windows improperly handles authentication requests, which lets a local user raise their privileges. An attacker who already has a foothold on the machine can run processes in an elevated context.","category":"infrastructure","who_cares":["windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker with local access gains elevated system privileges on the host.","analyst_note":"Find the affected Windows builds and the Microsoft security update ID from the MSRC entry for CVE-2019-1322, plus a registry or patch-level check to verify exposure.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["fully-patched-windows"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000455,"input_tokens":2840,"output_tokens":342,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-1322':10A,13A '-2019':9A,12A 'action':77C 'alreadi':36B 'appli':78C 'attack':34B,62C 'authent':23B,59C 'cisa':75C 'context':49B,74C 'could':68C 'cve':8A,11A 'elev':48B,73C 'escal':6A,52C 'exist':54C 'exploit':16B,65C 'foothold':39B 'handl':22B,58C 'improp':21B,57C 'infrastructur':17B 'instruct':82C 'let':26B 'local':28B 'machin':42B 'microsoft':1A,3A,14A 'per':80C 'privileg':5A,32B,51C 'process':45B,70C 'rais':30B 'ransomwar':18B 'request':24B,60C 'requir':76C 'run':44B,69C 'success':64C 'updat':79C 'user':29B 'vendor':81C 'vulner':7A,53C,67C 'window':2A,4A,19B,20B,56C 'windows':15A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2019-10-10T14:15:16+00:00","kev":{"dateAdded":"2022-03-15","dueDate":"2022-04-05","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":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2019-1322","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-1322","severity":null,"published_at":"2022-03-15T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T10:39:07+00:00","note":null},{"source":"epss","external_id":"CVE-2019-1322","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-1322","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2019-1322","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1322","severity":null,"published_at":"2019-10-10T14:15:16+00:00","modified_at":"2026-06-17T02:28:22+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"}