{"cve":{"cve_id":"CVE-2021-26855","is_kev":true,"kev_date_added":"2021-11-03","kev_vendor_project":"Microsoft","kev_product":"Exchange Server","kev_vulnerability_name":"Microsoft Exchange Server Remote Code Execution Vulnerability","kev_short_description":"Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2022-05-03","kev_known_ransomware":true,"kev_notes":"Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. 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