ZDI-23-1637: 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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2023-36035.

attackers authentication credentials cve cves cvss exchange exploit input input validation microsoft microsoft exchange ntlm ntlm relay rating relay validation vulnerability zdi