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PatchSiren cyber security CVE debrief

CVE-2026-50456 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:17:50.597Z and has not been modified since then. The NVD entry is currently Analyzed. This vulnerability in Windows File Explorer allows an authorized attacker to disclose sensitive information locally, classified under CWE-200 with a CVSS score of 5.5 and a severity of MEDIUM. System administrators and users of Windows File Explorer should be aware of this vulnerability. Microsoft has provided a patch for this vulnerability.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-07-22
Advisory published
2026-07-14
Advisory updated
2026-07-22

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50456 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50456

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50456 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50456

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.