CVE-2026-50305: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
CVE-2026-50305 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 7.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50305) 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 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 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, which can lead to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as per the CVSS score.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50305 for detailed update instructions.
CVE-2026-50305: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
CVE-2026-50305 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 7.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50305) 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 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 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, which can lead to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as per the CVSS score.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50305 for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T17:30:16.975Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50305","vendor":"Microsoft"}]
Threat ID: 6a56768d68715ace43f08c07
Added to database: 07/14/2026, 17:49:01 UTC
Last enriched: 07/15/2026, 00:47:58 UTC
Last updated: 07/15/2026, 00:47:58 UTC
Views: 2
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