CVE-2026-50373: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Improper access control in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50373) is classified under CWE-284 (Improper Access Control) and affects Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It involves the Windows Search Component improperly enforcing access controls, enabling an authorized local user to elevate their privileges. The CVSS v3.1 base score is 7.8, indicating a high severity with impacts on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. This could lead to full system compromise, including unauthorized access to sensitive data and the ability to execute privileged operations. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50373 to remediate this vulnerability.
CVE-2026-50373: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Description
Improper access control in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50373) is classified under CWE-284 (Improper Access Control) and affects Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It involves the Windows Search Component improperly enforcing access controls, enabling an authorized local user to elevate their privileges. The CVSS v3.1 base score is 7.8, indicating a high severity with impacts on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system. This could lead to full system compromise, including unauthorized access to sensitive data and the ability to execute privileged operations. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50373 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:55:14.744Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50373","vendor":"Microsoft"}]
Threat ID: 6a56769668715ace43f08e12
Added to database: 07/14/2026, 17:49:10 UTC
Last enriched: 08/13/2026, 14:42:34 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 70
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