CVE-2026-50374: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
CVE-2026-50374 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver affecting Windows 10 Version 1809 (build 10.0.17763.0). This flaw allows an authorized attacker with physical access to elevate privileges on the affected system. The vulnerability has a medium severity rating with a CVSS score of 6.3. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50374) involves a use-after-free condition in the Windows Cloud Files Mini Filter Driver component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires physical access and an authorized attacker can leverage this flaw to elevate privileges. The issue is tracked under CWE-416 (Use After Free). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker with physical access to elevate their privileges on the affected Windows 10 Version 1809 system. This could lead to full control over the system, impacting 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-2026-50374 to remediate this vulnerability.
CVE-2026-50374: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
CVE-2026-50374 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver affecting Windows 10 Version 1809 (build 10.0.17763.0). This flaw allows an authorized attacker with physical access to elevate privileges on the affected system. The vulnerability has a medium severity rating with a CVSS score of 6.3. An official fix is available from Microsoft.
CVSS v3.1
Score 6.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50374) involves a use-after-free condition in the Windows Cloud Files Mini Filter Driver component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). Exploitation requires physical access and an authorized attacker can leverage this flaw to elevate privileges. The issue is tracked under CWE-416 (Use After Free). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker with physical access to elevate their privileges on the affected Windows 10 Version 1809 system. This could lead to full control over the system, impacting 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-2026-50374 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:55:14.744Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50374","vendor":"Microsoft"}]
Threat ID: 6a56769668715ace43f08e15
Added to database: 07/14/2026, 17:49:10 UTC
Last enriched: 07/15/2026, 00:18:21 UTC
Last updated: 07/15/2026, 00:18:21 UTC
Views: 2
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