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PatchSiren cyber security CVE debrief

CVE-2026-50473 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-14T18:17:52.857Z 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, with a CVSS score of 5.5 and a severity of MEDIUM. It affects various versions of Windows 10, Windows 11, and Windows Server. System administrators and users of Windows File Explorer should be aware of this vulnerability. To mitigate, apply patches or updates provided by Microsoft to vulnerable systems, ensure that Windows File Explorer is properly configured and secured, and monitor system logs for potential exploitation attempts.

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. Those responsible for patch management, vulnerability assessment, and incident response should prioritize this vulnerability.

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 affects various versions of Windows 10, Windows 11, and Windows Server. To address this vulnerability, apply patches or updates provided by Microsoft to vulnerable systems, ensure that Windows File Explorer is properly configured and secured, and monitor system logs for potential exploitation attempts.

Defensive priority

Medium priority should be given to patching this vulnerability, as it allows for local disclosure of sensitive information. However, given the local access requirement, it may be considered less critical than remote code execution vulnerabilities. Nonetheless, it should be addressed in a timely manner, especially in environments where sensitive information is accessed through Windows File Explorer.

Recommended defensive actions

  • Apply patches or updates provided by Microsoft to vulnerable systems.
  • Ensure that Windows File Explorer is properly configured and secured.
  • Monitor system logs for potential exploitation attempts.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and affected systems. Microsoft has provided a vendor advisory and patch for this vulnerability. Evidence is limited to CVE and NVD entries. Defenders should verify patch deployment, review system logs for exploitation attempts, and ensure proper configuration of Windows File Explorer.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50473 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50473

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

  • CVE-2026-50473 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50473

    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.