SB2025102958 - Spoofing attack in Microsoft Configuration Manager
Published: October 29, 2025 Updated: November 28, 2025
Security Bulletin ID
SB2025102958
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Authentication Bypass by Spoofing (CVE-ID: CVE-2025-59501)
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.
Remediation
Install update from vendor's website.