CVE-2026-20827: 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 Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves the exposure of sensitive information to an unauthorized actor within the TWINUI subsystem of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local access and low privileges can exploit this flaw to disclose sensitive information. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). The CVSS v3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, and no user interaction required. The vulnerability does not affect system integrity or availability. A patch is available from Microsoft to remediate this issue.
Potential Impact
An authorized local attacker with low privileges can disclose sensitive information from the TWINUI subsystem. This exposure could compromise confidentiality but does not affect system integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 (build 10.0.14393.0) to remediate the issue. No additional mitigation steps are indicated.
CVE-2026-20827: 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 Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the exposure of sensitive information to an unauthorized actor within the TWINUI subsystem of Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local access and low privileges can exploit this flaw to disclose sensitive information. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). The CVSS v3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, and no user interaction required. The vulnerability does not affect system integrity or availability. A patch is available from Microsoft to remediate this issue.
Potential Impact
An authorized local attacker with low privileges can disclose sensitive information from the TWINUI subsystem. This exposure could compromise confidentiality but does not affect system integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 (build 10.0.14393.0) to remediate the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.374Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668adda60475309f9adfde
Added to database: 1/13/2026, 6:11:41 PM
Last enriched: 4/3/2026, 12:43:02 PM
Last updated: 5/10/2026, 9:12:50 AM
Views: 137
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