CVE-2026-20937: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1607
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20937) involves the exposure of sensitive information in Windows File Explorer on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access and low privileges can disclose sensitive information without requiring user interaction. The CVSS 3.1 base score is 5.5 (medium severity), reflecting the local attack vector, low complexity, and high confidentiality impact. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). A patch is available from Microsoft to remediate this issue.
Potential Impact
An authorized local attacker with low privileges can disclose sensitive information from Windows File Explorer, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A patch is available to address this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 (build 10.0.14393.0) to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-20937: 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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20937) involves the exposure of sensitive information in Windows File Explorer on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access and low privileges can disclose sensitive information without requiring user interaction. The CVSS 3.1 base score is 5.5 (medium severity), reflecting the local attack vector, low complexity, and high confidentiality impact. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). A patch is available from Microsoft to remediate this issue.
Potential Impact
An authorized local attacker with low privileges can disclose sensitive information from Windows File Explorer, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
A patch is available to address this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 (build 10.0.14393.0) to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.337Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae4a60475309f9ae1fc
Added to database: 1/13/2026, 6:11:48 PM
Last enriched: 4/3/2026, 12:50:39 PM
Last updated: 5/10/2026, 9:10:54 AM
Views: 84
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