CVE-2026-25167: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25167) involves a use-after-free condition in the Microsoft Brokering File System on Windows 11 Version 24H2 (build 10.0.26100.0). Exploiting this flaw could enable a local attacker without privileges to elevate their permissions. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and no user interaction, resulting in high confidentiality, integrity, and availability impacts. The vendor has released a patch to remediate the issue.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the system. This can lead to full compromise of confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 11 Version 24H2 (build 10.0.26100.0) to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-25167: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25167) involves a use-after-free condition in the Microsoft Brokering File System on Windows 11 Version 24H2 (build 10.0.26100.0). Exploiting this flaw could enable a local attacker without privileges to elevate their permissions. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and no user interaction, resulting in high confidentiality, integrity, and availability impacts. The vendor has released a patch to remediate the issue.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining higher-level access to the system. This can lead to full compromise of confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 11 Version 24H2 (build 10.0.26100.0) to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-29T18:36:49.695Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b0562cea502d3aa87d69e0
Added to database: 3/10/2026, 5:34:36 PM
Last enriched: 4/18/2026, 2:12:19 PM
Last updated: 4/28/2026, 7:26:56 AM
Views: 62
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