CVE-2026-50434: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 21H2
CVE-2026-50434 is a vulnerability in Microsoft Windows 10 Version 21H2 where sensitive information can be exposed to an unauthorized actor via Windows Push Notifications. The issue allows an authorized attacker with local access to disclose sensitive information. A patch is available from Microsoft to address this vulnerability.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50434) involves an exposure of sensitive information in Windows Push Notifications on Windows 10 Version 21H2 (build 10.0.19044.0). An attacker with local privileges can exploit this flaw to access sensitive data without user interaction. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). Microsoft has released an official fix to remediate this issue.
Potential Impact
The vulnerability allows an attacker with local access and limited privileges to disclose sensitive information, potentially compromising confidentiality. There is no impact on integrity or availability. No known exploits are reported 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 21H2 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50434 for update details.
CVE-2026-50434: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 21H2
Description
CVE-2026-50434 is a vulnerability in Microsoft Windows 10 Version 21H2 where sensitive information can be exposed to an unauthorized actor via Windows Push Notifications. The issue allows an authorized attacker with local access to disclose sensitive information. A patch is available from Microsoft to address this vulnerability.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50434) involves an exposure of sensitive information in Windows Push Notifications on Windows 10 Version 21H2 (build 10.0.19044.0). An attacker with local privileges can exploit this flaw to access sensitive data without user interaction. The vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor). Microsoft has released an official fix to remediate this issue.
Potential Impact
The vulnerability allows an attacker with local access and limited privileges to disclose sensitive information, potentially compromising confidentiality. There is no impact on integrity or availability. No known exploits are reported 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 21H2 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50434 for update details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.375Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50434","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09461
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 07/14/2026, 23:34:40 UTC
Last updated: 07/14/2026, 23:34:40 UTC
Views: 2
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