CVE-2026-50294: CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Microsoft Windows 10 Version 1607
CVE-2026-50294 is a vulnerability in Microsoft Windows 10 Version 1607 (build 10.0.14393.0) where sensitive system information can be exposed to an unauthorized control sphere via the Windows Kernel. This local information disclosure vulnerability allows an attacker without privileges to gain access to sensitive data. The vulnerability has a medium severity rating with a CVSS score of 6.2. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50294) involves exposure of sensitive system information due to a flaw in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). An unauthorized local attacker can exploit this to disclose sensitive information. The vulnerability is classified under CWE-497 (Exposure of Sensitive Information to an Unauthorized Actor). Microsoft has published an official fix to remediate this issue.
Potential Impact
An unauthorized local attacker can disclose sensitive system information, potentially aiding further attacks or reconnaissance. The vulnerability does not allow privilege escalation, integrity compromise, or availability impact. The confidentiality impact is high, while integrity and availability impacts are none.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50294. No additional mitigation steps are required beyond applying the official patch.
CVE-2026-50294: CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Microsoft Windows 10 Version 1607
Description
CVE-2026-50294 is a vulnerability in Microsoft Windows 10 Version 1607 (build 10.0.14393.0) where sensitive system information can be exposed to an unauthorized control sphere via the Windows Kernel. This local information disclosure vulnerability allows an attacker without privileges to gain access to sensitive data. The vulnerability has a medium severity rating with a CVSS score of 6.2. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 6.2medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50294) involves exposure of sensitive system information due to a flaw in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). An unauthorized local attacker can exploit this to disclose sensitive information. The vulnerability is classified under CWE-497 (Exposure of Sensitive Information to an Unauthorized Actor). Microsoft has published an official fix to remediate this issue.
Potential Impact
An unauthorized local attacker can disclose sensitive system information, potentially aiding further attacks or reconnaissance. The vulnerability does not allow privilege escalation, integrity compromise, or availability impact. The confidentiality impact is high, while integrity and availability impacts are none.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50294. No additional mitigation steps are required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T17:30:16.974Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50294","vendor":"Microsoft"}]
Threat ID: 6a566f7268715ace43e6b6e6
Added to database: 07/14/2026, 17:18:42 UTC
Last enriched: 07/15/2026, 01:33:57 UTC
Last updated: 07/15/2026, 01:39:51 UTC
Views: 8
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