CVE-2026-50361: CWE-415: Double Free in Microsoft Windows 11 Version 24H2
Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability is a double free condition in the Microsoft Brokering File System component of Windows 11 Version 24H2 (build 10.0.26100.0). The flaw allows an attacker with local authorized access to elevate their privileges by exploiting improper memory management. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the elevated privileges gained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-50361: CWE-415: Double Free in Microsoft Windows 11 Version 24H2
Description
Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a double free condition in the Microsoft Brokering File System component of Windows 11 Version 24H2 (build 10.0.26100.0). The flaw allows an attacker with local authorized access to elevate their privileges by exploiting improper memory management. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this double free vulnerability to elevate privileges on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the elevated privileges gained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.815Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50361","vendor":"Microsoft"}]
Threat ID: 6a56769468715ace43f08d60
Added to database: 07/14/2026, 17:49:08 UTC
Last enriched: 08/13/2026, 14:40:02 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 64
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