CVE-2026-50334: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
CVE-2026-50334 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 that allows an authorized local attacker to expose sensitive information via the Windows Notification system. The vulnerability involves the exposure of sensitive data to unauthorized actors locally. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50334) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as CWE-200, indicating exposure of sensitive information to unauthorized actors. The flaw allows an attacker with local authorized access to disclose sensitive information through the Windows Notification component. The CVSS v3.1 base score is 5.5 (medium severity), with attack vector local, low attack complexity, low privileges required, no user interaction, and high confidentiality impact. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An authorized local attacker can disclose sensitive information that should not be accessible, potentially leading to information leakage. The integrity and availability of the system are not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50334 for the update details and installation instructions.
CVE-2026-50334: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
CVE-2026-50334 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 that allows an authorized local attacker to expose sensitive information via the Windows Notification system. The vulnerability involves the exposure of sensitive data to unauthorized actors locally. 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 (CVE-2026-50334) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified as CWE-200, indicating exposure of sensitive information to unauthorized actors. The flaw allows an attacker with local authorized access to disclose sensitive information through the Windows Notification component. The CVSS v3.1 base score is 5.5 (medium severity), with attack vector local, low attack complexity, low privileges required, no user interaction, and high confidentiality impact. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
An authorized local attacker can disclose sensitive information that should not be accessible, potentially leading to information leakage. The integrity and availability of the system are not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50334 for the update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.952Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50334","vendor":"Microsoft"}]
Threat ID: 6a56769168715ace43f08c7a
Added to database: 07/14/2026, 17:49:05 UTC
Last enriched: 07/15/2026, 00:33:22 UTC
Last updated: 07/15/2026, 00:33:22 UTC
Views: 2
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