The vulnerability of the IsUNCPath method in Microsoft Exchange Server servers allows attackers to perform spoofing attacks.

The vulnerability of the IsUNCPath method in Microsoft Exchange Server’s mail server is related to insufficient protection of service data during NTLM authentication. Exploiting this vulnerability allows a malicious actor to perform spoofing attacks remotely...

Microsoft Exchange IsUNCPath Improper Input Validation NTLM Relay Vulnerability

This vulnerability allows remote attackers to relay NTLM credentials on affected installations of Microsoft Exchange. Authentication is required to exploit this vulnerability. The specific flaw exists within the IsUNCPath method. The issue results from the lack of proper input validation. An...