CVE-2026-50329: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50329) involves a use-after-free condition in the Windows Kernel of Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could result in elevation of privileges, allowing an attacker to gain higher system rights. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
The vulnerability allows an authorized local attacker to elevate privileges, potentially gaining full control over the affected system. The CVSS 3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
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-2026-50329 to remediate this vulnerability.
CVE-2026-50329: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free in Windows Kernel 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-2026-50329) involves a use-after-free condition in the Windows Kernel of Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could result in elevation of privileges, allowing an attacker to gain higher system rights. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
The vulnerability allows an authorized local attacker to elevate privileges, potentially gaining full control over the affected system. The CVSS 3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
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-2026-50329 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.951Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50329","vendor":"Microsoft"}]
Threat ID: 6a56768f68715ace43f08c4e
Added to database: 07/14/2026, 17:49:03 UTC
Last enriched: 08/13/2026, 14:33:57 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 47
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