CVE-2026-50456 Microsoft CVE debrief

Who should care

System administrators and users of Windows File Explorer should be aware of this vulnerability, as it allows an authorized attacker to disclose information locally. This vulnerability can be patched by applying the patch provided by Microsoft.

Technical summary

A vulnerability in Windows File Explorer allows an authorized attacker to disclose sensitive information locally. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. It is classified under CWE-200. This vulnerability can be patched by applying the patch provided by Microsoft. Ensure that Windows File Explorer is properly configured and secured.

Defensive priority

Medium priority should be given to patching this vulnerability, as it allows for local disclosure of sensitive information.

Recommended defensive actions

• Apply the patch provided by Microsoft
• Ensure that Windows File Explorer is properly configured and secured
• Monitor system logs for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD detail provide information on the vulnerability, its severity, and affected systems. Microsoft has provided a patch for this vulnerability. The vulnerability is classified under CWE-200. The CVSS score is 5.5 and the severity is MEDIUM. The NVD entry is currently Analyzed.

Official resources