Microsoft has released mitigations for a critical vulnerability in Exchange Server that enables attackers to execute arbitrary code through cross-site scripting (XSS) targeting Outlook on the web users.
Consider implementing Microsoft's recommended mitigations for the high-severity Exchange Server vulnerability if your organization uses Outlook on the web, as this vulnerability allows threat actors to execute arbitrary code via cross-site scripting (XSS), posing a significant risk to your network security. Prioritize these updates in your security operations to prevent potential exploitation.