CVE-2026-20847: 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 Shell allows an authorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20847) involves an exposure of sensitive information in Windows Shell on Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with authorized access and low privileges to remotely exploit the flaw over a network to perform spoofing, potentially deceiving users or systems by presenting false information. The CVSS 3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). A patch is available from Microsoft to remediate this issue.
Potential Impact
The vulnerability allows an attacker with authorized access to expose sensitive information and perform spoofing attacks remotely over a network. The confidentiality impact is high, but there is no impact on integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available to remediate this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to address this issue. No additional mitigation steps are specified or required beyond applying the patch.
CVE-2026-20847: 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 Shell allows an authorized attacker to perform spoofing over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20847) involves an exposure of sensitive information in Windows Shell on Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with authorized access and low privileges to remotely exploit the flaw over a network to perform spoofing, potentially deceiving users or systems by presenting false information. The CVSS 3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). A patch is available from Microsoft to remediate this issue.
Potential Impact
The vulnerability allows an attacker with authorized access to expose sensitive information and perform spoofing attacks remotely over a network. The confidentiality impact is high, but there is no impact on integrity or availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available to remediate this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1607 to address this issue. No additional mitigation steps are specified or required beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.377Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668adea60475309f9ae0a6
Added to database: 1/13/2026, 6:11:42 PM
Last enriched: 4/3/2026, 12:45:08 PM
Last updated: 5/10/2026, 9:24:02 AM
Views: 101
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