CVE-2026-50401: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1809
CVE-2026-50401 is an out-of-bounds read vulnerability in the Windows Cloud Files Mini Filter Driver affecting Windows 10 Version 1809 (build 10.0.17763.0). This flaw allows an authorized local attacker to disclose information. The vulnerability has a medium severity with a CVSS score of 5.5. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50401) involves an out-of-bounds read in the Windows Cloud Files Mini Filter Driver component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw allows an attacker with local privileges to read memory outside the intended bounds, potentially disclosing sensitive information. The issue is classified under CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory beyond allocated buffers, leading to potential disclosure of sensitive information. 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 as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50401 to remediate this vulnerability.
CVE-2026-50401: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1809
Description
CVE-2026-50401 is an out-of-bounds read vulnerability in the Windows Cloud Files Mini Filter Driver affecting Windows 10 Version 1809 (build 10.0.17763.0). This flaw allows an authorized local attacker to disclose information. The vulnerability has a medium severity with a CVSS score of 5.5. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50401) involves an out-of-bounds read in the Windows Cloud Files Mini Filter Driver component of Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw allows an attacker with local privileges to read memory outside the intended bounds, potentially disclosing sensitive information. The issue is classified under CWE-125 (Out-of-bounds Read). Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory beyond allocated buffers, leading to potential disclosure of sensitive information. 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 as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50401 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:56:53.258Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50401","vendor":"Microsoft"}]
Threat ID: 6a56769868715ace43f08e77
Added to database: 07/14/2026, 17:49:12 UTC
Last enriched: 07/15/2026, 00:03:22 UTC
Last updated: 07/15/2026, 00:03:22 UTC
Views: 2
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