CVE-2026-50431: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
CVE-2026-50431 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 involving an information disclosure issue in the Windows Quality of Service (QoS) Packet Scheduler. The vulnerability allows exposure of sensitive information to an unauthorized actor without user interaction. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50431, affects Windows 10 Version 1607 (build 10.0.14393.0) and involves an information disclosure flaw in the Windows QoS Packet Scheduler component. It is classified under CWE-200, indicating exposure of sensitive information to unauthorized actors. The CVSS 3.1 base score is 5.5 (medium severity), with an attack vector requiring local access and low complexity. The vulnerability does not impact integrity or availability but results in high confidentiality impact. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow a local attacker with low privileges to access sensitive information from the Windows QoS Packet Scheduler component. The confidentiality of data is compromised, but integrity and availability remain unaffected. There are no known exploits in the wild at this time.
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-2026-50431 to remediate this vulnerability.
CVE-2026-50431: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
CVE-2026-50431 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 involving an information disclosure issue in the Windows Quality of Service (QoS) Packet Scheduler. The vulnerability allows exposure of sensitive information to an unauthorized actor without user interaction. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50431, affects Windows 10 Version 1607 (build 10.0.14393.0) and involves an information disclosure flaw in the Windows QoS Packet Scheduler component. It is classified under CWE-200, indicating exposure of sensitive information to unauthorized actors. The CVSS 3.1 base score is 5.5 (medium severity), with an attack vector requiring local access and low complexity. The vulnerability does not impact integrity or availability but results in high confidentiality impact. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow a local attacker with low privileges to access sensitive information from the Windows QoS Packet Scheduler component. The confidentiality of data is compromised, but integrity and availability remain unaffected. There are no known exploits in the wild at this time.
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-2026-50431 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-2026-50431","vendor":"Microsoft"}]
Threat ID: 6a56769d68715ace43f0942d
Added to database: 07/14/2026, 17:49:17 UTC
Last enriched: 07/14/2026, 23:48:14 UTC
Last updated: 07/14/2026, 23:48:14 UTC
Views: 2
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