CVE-2026-20862: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1809
Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20862) involves an exposure of sensitive information (CWE-200) in Windows Management Services on Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local privileges can disclose sensitive information without user interaction. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, low privileges required, no user interaction, and high impact on confidentiality. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An attacker with authorized local access can disclose sensitive information, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20862 for detailed patch information and deployment guidance.
CVE-2026-20862: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1809
Description
Exposure of sensitive information to an unauthorized actor in Windows Management Services 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-2026-20862) involves an exposure of sensitive information (CWE-200) in Windows Management Services on Windows 10 Version 1809 (build 10.0.17763.0). An attacker with local privileges can disclose sensitive information without user interaction. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, low privileges required, no user interaction, and high impact on confidentiality. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An attacker with authorized local access can disclose sensitive information, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Apply the official security update provided by Microsoft for Windows 10 Version 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20862 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.380Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20862","vendor":"Microsoft"}]
Threat ID: 69668ae0a60475309f9ae12a
Added to database: 01/13/2026, 18:11:44 UTC
Last enriched: 07/30/2026, 23:43:56 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 195
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