CVE-2023-23397 - Microsoft Office Outlook Privilege Escalation Vulnerability

Project:Microsoft

Product:Office

Date Added:2023-03-14Due Date:2023-04-04

Vulnerability Name

Microsoft Office Outlook Privilege Escalation Vulnerability

Description

Microsoft Office Outlook contains a privilege escalation vulnerability that allows for a NTLM Relay attack against another service to authenticate as the user.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply updates per vendor instructions.

Additional 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