CVE-2026-41087: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Description
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-41087) involves exposure of sensitive information to an unauthorized actor in Windows File Explorer on Windows 10 Version 1607 (build 10.0.14393.0). The flaw allows an attacker with local privileges to disclose sensitive information without requiring user interaction. The CVSS 3.1 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.
Potential Impact
An attacker with local access and limited privileges can disclose sensitive information from Windows File Explorer, potentially leading to information leakage. There is no impact on integrity or availability. No known exploits are reported in the wild.
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-2026-41087 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-16T19:12:36.194Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41087","vendor":"Microsoft"}]
Threat ID: 6a566f6768715ace43e6b305
Added to database: 07/14/2026, 17:18:31 UTC
Last enriched: 08/13/2026, 14:14:43 UTC
Last updated: 10/09/2026, 06:48:17 UTC
Views: 69
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