Windows 10 1507
CVE-2025-21293
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 8.8, EPSS 75.3%, patch available. This is a critical post-compromise vulnerability: any attacker who compromises a single domain-joined workstation or obtains any domain user credentials can escalate to domain admin. Active Directory domains typically contain the organization's crown jewels: email, file shares, and all authentication infrastructure. |
| Exploit ScenarioDerived | An attacker compromises a domain user account through phishing. Using the authenticated session, they exploit this AD DS vulnerability to add themselves to the Domain Admins group. They now have unrestricted access to all domain controllers, group policies, and domain-joined systems. They establish persistence through golden ticket attacks and begin data exfiltration from file servers and email systems. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Active Directory Domain Services contains an elevation of privilege vulnerability that allows authenticated domain users to escalate to domain administrator. The vulnerability enables lateral movement and complete domain compromise from any authenticated position within the Active Directory environment.
Earlier versions of this analysis (1)
Active Directory Domain Services privilege escalation allows authenticated domain users to achieve domain admin compromise.
RemediationAI
Apply the January 2025 Microsoft security update immediately. Implement tiered administration model to limit blast radius of privilege escalation. Monitor AD for unexpected group membership changes, especially to privileged groups. Deploy Microsoft ATA or Defender for Identity to detect anomalous AD operations.
Affects your stack
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Technical ContextAI · show details
This vulnerability in Active Directory Domain Services allows a regular authenticated domain user to elevate their privileges to domain administrator. The specific mechanism involves improper access control in AD DS that can be exploited through crafted LDAP or Kerberos operations. Successful exploitation grants the attacker full control over the Active Directory domain.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
Active Directory Domain Services Elevation of Privilege Vulnerability
Executive ViewAI
CVE-2025-21293 presents significant security risk, a improper access control vulnerability rated CVSS 8.8. Successful exploitation could significantly impact the confidentiality, integrity, or availability of affected systems. With an EPSS score of 75%, this vulnerability faces very high likelihood of exploitation. A patch is available and should be applied as part of regular vulnerability management.
Apply vendor patch. If immediate patching is not feasible: (1) Restrict access to affected endpoints; (2) Implement additional authorization checks; (3) Enable audit logging.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
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GitHub PoC
Exploit-DB