CVE-2025-21325: CWE-732: Incorrect Permission Assignment for Critical Resource in Microsoft Windows 10 Version 21H2
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
CVE-2025-21325 is a vulnerability classified under CWE-732 (Incorrect Permission Assignment for Critical Resource) affecting Windows 10 Version 21H2 (build 10.0.19044.0). The vulnerability exists in the Windows Secure Kernel Mode, allowing an attacker with low privileges to elevate their privileges due to improper permission settings on critical resources. The CVSS v3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with limited privileges on a Windows 10 Version 21H2 system to elevate their privileges to a higher level, potentially gaining full control over the affected system. This impacts confidentiality, integrity, and availability of the system resources.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21325 for the official patch and update instructions.
CVE-2025-21325: CWE-732: Incorrect Permission Assignment for Critical Resource in Microsoft Windows 10 Version 21H2
Description
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21325 is a vulnerability classified under CWE-732 (Incorrect Permission Assignment for Critical Resource) affecting Windows 10 Version 21H2 (build 10.0.19044.0). The vulnerability exists in the Windows Secure Kernel Mode, allowing an attacker with low privileges to elevate their privileges due to improper permission settings on critical resources. The CVSS v3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with limited privileges on a Windows 10 Version 21H2 system to elevate their privileges to a higher level, potentially gaining full control over the affected system. This impacts confidentiality, integrity, and availability of the system resources.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21325 for the official patch and update instructions.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-11T00:29:48.349Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21325","vendor":"Microsoft"}]
Threat ID: 68c0c0d09ed239a66badfd14
Added to database: 09/10/2025, 00:05:36 UTC
Last enriched: 06/10/2026, 09:54:40 UTC
Last updated: 07/08/2026, 10:28:16 UTC
Views: 294
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