Microsoft Exchange Server Elevation of Privilege Vulnerability

According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server? Yes, the attacker must be authenticated.

Do I need to take further steps to be protected from this vulnerability? Microsoft Exchange Online customers do not need to take any action. Exchange Server customers should review and apply the mitigation instructions described in Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server.

What privileges can an attacker gain by exploiting this vulnerability? The privileges acquired by the attacker would be the ability to run PowerShell in the context of the system.

Where can I find more information about this CVE? Please see Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server for more information