SB2025052835 - Privilege escalation in dMSA in Microsoft Windows Server
Published: May 28, 2025
Security Bulletin ID
SB2025052835
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: N/A)
The vulnerability allows a remote user to escalate privileges within Active Directory.
The vulnerability exists due to improperly imposed security restrictions in Managed Service Accounts (dMSAs). A domain user with CreateChild permission can gain administrative privileges within Active Directory.
The vulnerability was dubbed BadSuccessor.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.