{"id":"CVE-2021-26855","vendor_project":"Microsoft","product":"Exchange Server","vulnerability_name":"Microsoft Exchange Server Remote Code Execution Vulnerability","date_added":"2021-11-03","due_date":"2022-05-03","known_ransomware_use":"Known","short_description":"Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.","required_action":"Apply updates per vendor instructions.","cwes":"CWE-918","cvss_version":"3.1","cvss_severity":"CRITICAL","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","nvd_published":"2021-03-03","nvd_status":"Analyzed","epss":0.99996,"epss_percentile":0.99989,"cvss_score":9.1,"days_published_to_kev":245,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2021-26855","by":"CyberMax"}