Vendor / Project: Microsoft Product: Office Description: Microsoft Office Outlook contains a privilege escalation vulnerability that allows for a NTLM Relay attack against another service to authenticate as the user. Required Action: Apply updates per vendor instructions. Due Date: 2023-04-04 Ransomware Campaign Use: Unknown CWEs: CWE-294 Notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-23397, https://msrc.microsoft.com/blog/2023/03/microsoft-mitigates-outlook-elevation-of-privilege-vulnerability/, ; https://nvd.nist.gov/vuln/detail/CVE-2023-23397