CVE-2026-50373: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
CVE-2026-50373 is a high-severity vulnerability in Microsoft Windows 10 Version 1809 involving improper access control in the Windows Search Component. This flaw allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50373) is classified as CWE-284 (Improper Access Control) and affects the Windows Search Component in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It enables an authorized attacker with local access to escalate privileges, potentially gaining higher system rights. The CVSS v3.1 base score is 7.8, indicating a high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining full control. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS score. 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 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50373 for detailed patching instructions.
CVE-2026-50373: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1809
Description
CVE-2026-50373 is a high-severity vulnerability in Microsoft Windows 10 Version 1809 involving improper access control in the Windows Search Component. This flaw allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
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 as CWE-284 (Improper Access Control) and affects the Windows Search Component in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). It enables an authorized attacker with local access to escalate privileges, potentially gaining higher system rights. The CVSS v3.1 base score is 7.8, indicating a high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected system, potentially gaining full control. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS score. 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 1809 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50373 for detailed patching instructions.
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: 07/15/2026, 00:17:35 UTC
Last updated: 07/15/2026, 00:17:35 UTC
Views: 3
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