CVE-2025-21372: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Microsoft Brokering File System Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
CVE-2025-21372 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 11 Version 24H2, specifically the Brokering File System component. The flaw allows an attacker with limited privileges and local access to elevate their privileges by exploiting improper memory management. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with low privileges and local access to escalate their privileges to higher levels, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21372 to remediate this vulnerability.
CVE-2025-21372: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Microsoft Brokering File System Elevation of Privilege Vulnerability
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21372 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 11 Version 24H2, specifically the Brokering File System component. The flaw allows an attacker with limited privileges and local access to elevate their privileges by exploiting improper memory management. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with low privileges and local access to escalate their privileges to higher levels, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21372 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-11T00:29:48.361Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21372","vendor":"Microsoft"}]
Threat ID: 68c0bd539ed239a66badec41
Added to database: 9/9/2025, 11:50:43 PM
Last enriched: 6/10/2026, 9:59:23 AM
Last updated: 6/18/2026, 4:32:19 AM
Views: 212
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