Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka "Microsoft Exchange Memory Corruption Vulnerability." This affects Microsoft Exchange Server.
A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka "Microsoft Exchange Remote Code Execution Vulnerability." This affects Microsoft Exchange Server.