Windows Secure Kernel Mode Elevation of Privilege Vulnerability in Microsoft Products
CVE-2025-21325

7.8HIGH

What is CVE-2025-21325?

CVE-2025-21325 is a vulnerability found within the Windows Secure Kernel mode of various Microsoft products. This vulnerability presents an elevation of privilege issue, allowing unauthorized users to gain higher access levels than intended. If exploited, it could have grave implications for organizations, including unauthorized access to sensitive data and control over system resources. The potential for malicious actors to leverage this vulnerability underscores the critical need for timely updates and security measures to protect Windows environments.

Technical Details

CVE-2025-21325 pertains specifically to the Secure Kernel Mode in Windows operating systems, which is integral for executing sensitive operations securely. This vulnerability can be triggered under specific conditions, whereby an attacker could manipulate the Secure Kernel to obtain elevated privileges. This could result from improper handling or validation within the affected products, making it essential for Microsoft to address this flaw to maintain the integrity of the system.

Potential impact of CVE-2025-21325

  1. Unauthorized Data Access: Exploitation of this vulnerability could allow attackers to access sensitive information that they would normally not have permission to view, leading to potential data breaches.

  2. System Control and Manipulation: Attackers gaining elevated privileges could manipulate system settings and control processes, compromising overall system functionality and security.

  3. Increased Risk of Malware Deployment: With higher privileges, attackers could install malicious software, including ransomware, further jeopardizing the organization’s data integrity and operational continuity.

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Affected Version(s)

Windows 10 Version 21H2 32-bit Systems 10.0.19043.0 < 10.0.19044.5371

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.5371

Windows 11 version 22H2 ARM64-based Systems 10.0.22621.0 < 10.0.22621.4751

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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