{"id":"CVE-2022-41080","kind":"vulnerability","aliases":["CVE-2022-41080"],"related":[],"title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","description":"Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. This vulnerability is chainable with CVE-2022-41082, which allows for remote code execution.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Microsoft Exchange Server has a privilege escalation flaw that lets an attacker gain higher rights on the server. It is chained with CVE-2022-41082, which allows remote code execution, and it is listed as exploited in the wild with ransomware use noted.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2023-01-10T00:00:00+00:00","products":[{"name":"Microsoft Exchange Server","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft exchange server","fixed":[],"affected":"= 2013","ecosystem":"vendor"},{"name":"microsoft exchange server","fixed":[],"affected":"= 2016","ecosystem":"vendor"},{"name":"microsoft exchange server","fixed":[],"affected":"= 2019","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exchange-server","exploited","infrastructure","ransomware","self-hosted","windows"],"not_affected_if":["exchange-online"],"how_to_check":null,"fix":"Apply the Microsoft Exchange Server updates per vendor instructions, as CISA requires.","status":"open","published_at":"2022-11-09T22:15:21+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:08:48+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:08:48Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Exchange Server updates per vendor instructions, as CISA requires.\nunknown","reach":"network","impact":"high","summary":"Microsoft Exchange Server has a privilege escalation flaw that lets an attacker gain higher rights on the server. It is chained with CVE-2022-41082, which allows remote code execution, and it is listed as exploited in the wild with ransomware use noted.","category":"infrastructure","who_cares":["exchange-server","self-hosted","windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker gains elevated rights on the Exchange server, chainable to remote code execution","analyst_note":"Find the Microsoft advisory for CVE-2022-41080 to confirm affected build numbers, the patched versions, and any exposure check; sources given only cite CISA KEV.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["exchange-online"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000468,"input_tokens":2817,"output_tokens":372,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':9A,12A,59B,97C '-41080':10A,13A '-41082':60B,98C 'action':107C 'allow':62B,87C,100C 'appli':108C 'attack':47B 'chain':56B 'chainabl':94C 'cisa':105C 'code':64B,103C 'contain':82C 'cve':8A,11A,58B,96C 'elev':4A 'escal':42B,90C 'exchang':2A,27B,37B,80C 'exchange':15A,18A,21A,24A 'exchange-serv':26B 'execut':65B,104C 'exploit':29B,71B 'flaw':43B 'gain':48B 'higher':49B 'host':34B 'infrastructur':30B 'instruct':112C 'let':45B 'list':69B 'microsoft':1A,14A,17A,20A,23A,36B,79C 'note':78B 'per':110C 'privileg':6A,41B,89C 'ransomwar':31B,76B 'remot':63B,102C 'requir':106C 'right':50B 'self':33B 'self-host':32B 'server':3A,16A,19A,22A,25A,28B,38B,53B,81C 'unspecifi':84C 'updat':109C 'use':77B 'vendor':111C 'vulner':7A,85C,92C 'wild':74B 'window':35B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-11-09T22:15:21+00:00","kev":{"dateAdded":"2023-01-10","dueDate":"2023-01-31","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/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-2022-41080","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-41080","severity":null,"published_at":"2023-01-10T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T13:39:31+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-41080","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41080","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"}