CVE-2026-20805: 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 Desktop Windows Manager allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20805) involves an exposure of sensitive information in the Desktop Windows Manager component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local privileges can exploit this flaw to disclose sensitive information without requiring user interaction. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can disclose sensitive information due to improper handling in the Desktop Windows Manager. The confidentiality of data is impacted (high impact on confidentiality), but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should 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-2026-20805 for the update details and installation instructions.
CVE-2026-20805: 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 Desktop Windows Manager allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20805) involves an exposure of sensitive information in the Desktop Windows Manager component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local privileges can exploit this flaw to disclose sensitive information without requiring user interaction. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information). Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can disclose sensitive information due to improper handling in the Desktop Windows Manager. The confidentiality of data is impacted (high impact on confidentiality), but integrity and availability are not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should 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-2026-20805 for the update details and installation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.371Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20805","vendor":"Microsoft"}]
Threat ID: 69668adaa60475309f9adf3a
Added to database: 01/13/2026, 18:11:38 UTC
Last enriched: 07/30/2026, 23:50:40 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 681
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