Authentication Bypass by Spoofing in Configuration Manager - CVE-2025-59501
Published: October 29, 2025 / Updated: November 28, 2025
Vulnerability identifier: #VU117794
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2025-59501
CWE-ID: CWE-290
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Configuration Manager
Configuration Manager
Detailed vulnerability description
The vulnerability allows a remote user to gain access to sensitive information.
the vulnerability exists due to improper authentication checks. Under certain circumstances a remote user can perform spoofing attack and gain access to sensitive information by modifying the user principal name (UPN) of a valid Microsoft Entra ID account or create a new Account to impersonate an Active Directory user with the same UPN that was not synchronized to Entra ID.
How to mitigate CVE-2025-59501
Install updates from vendor's website.