CVE-2026-50425: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50425) involves a use-after-free condition in the Windows Internal System User Profile on Windows 10 Version 21H2 (build 10.0.19044.0). Exploitation requires local authorized access and can result in elevation of privileges, impacting confidentiality, integrity, and availability. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate their privileges, potentially gaining higher-level access to the system. The impact includes full compromise of confidentiality, integrity, and availability of the affected system components.
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-2026-50425 to remediate this vulnerability.
CVE-2026-50425: CWE-416: Use After Free in Microsoft Windows 10 Version 21H2
Description
Use after free in Windows Internal System User Profile 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 (CVE-2026-50425) involves a use-after-free condition in the Windows Internal System User Profile on Windows 10 Version 21H2 (build 10.0.19044.0). Exploitation requires local authorized access and can result in elevation of privileges, impacting confidentiality, integrity, and availability. The vulnerability is classified under CWE-416 (Use After Free). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate their privileges, potentially gaining higher-level access to the system. The impact includes full compromise of confidentiality, integrity, and availability of the affected system components.
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-2026-50425 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.375Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50425","vendor":"Microsoft"}]
Threat ID: 6a56769d68715ace43f0941b
Added to database: 07/14/2026, 17:49:17 UTC
Last enriched: 08/13/2026, 14:52:36 UTC
Last updated: 08/27/2026, 11:04:02 UTC
Views: 93
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