CVE-2026-49162: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
CVE-2026-49162 is a use-after-free vulnerability in the Microsoft Brokering File System component of Windows 11 Version 24H2. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
CVE-2026-49162 is a use-after-free vulnerability (CWE-416) in the Microsoft Brokering File System on Windows 11 Version 24H2 (build 10.0.26100.0). This vulnerability enables a local attacker with some level of authorization to elevate their privileges, potentially gaining higher system rights. The vulnerability has been assigned a CVSS v3.1 base score of 7.0, indicating high severity. Microsoft has published an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 Version 24H2 system. This could lead to full system compromise depending on the privileges gained. The vulnerability affects confidentiality, integrity, and availability, all rated as high impact in the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft for CVE-2026-49162. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49162 for the patch and detailed remediation instructions.
CVE-2026-49162: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
CVE-2026-49162 is a use-after-free vulnerability in the Microsoft Brokering File System component of Windows 11 Version 24H2. This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-49162 is a use-after-free vulnerability (CWE-416) in the Microsoft Brokering File System on Windows 11 Version 24H2 (build 10.0.26100.0). This vulnerability enables a local attacker with some level of authorization to elevate their privileges, potentially gaining higher system rights. The vulnerability has been assigned a CVSS v3.1 base score of 7.0, indicating high severity. Microsoft has published an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 Version 24H2 system. This could lead to full system compromise depending on the privileges gained. The vulnerability affects confidentiality, integrity, and availability, all rated as high impact in the CVSS vector.
Mitigation Recommendations
An official fix is available from Microsoft for CVE-2026-49162. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this vulnerability. Refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49162 for the patch and detailed remediation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.622Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49162","vendor":"Microsoft"}]
Threat ID: 6a566f6a68715ace43e6b3a8
Added to database: 07/14/2026, 17:18:34 UTC
Last enriched: 07/15/2026, 02:02:33 UTC
Last updated: 07/15/2026, 02:02:33 UTC
Views: 2
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