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PatchSiren cyber security CVE debrief

CVE-2026-50415 Microsoft CVE debrief

CVE-2026-50415 is a MEDIUM-severity vulnerability in Windows Media that allows an unauthorized attacker to disclose information over a network. The CVE record was published on 2026-07-14T18:17:44.540Z and was last modified on 2026-07-20T14:04:43.130Z. The vulnerability has a CVSS score of 5.3 and is classified as CWE-200. It affects multiple versions of Windows 10, Windows 11, and Windows Server. Users of these systems should apply patches or mitigations to prevent potential information disclosure. The affected products include Windows Media components in these operating systems.

Vendor
Microsoft
Product
Windows 10 Version 1809
CVSS
MEDIUM 5.3
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

This vulnerability affects multiple versions of Windows 10, Windows 11, and Windows Server. Users of these systems, particularly system administrators and security teams, should apply patches or mitigations to prevent potential information disclosure. Reviewing system configurations and ensuring that Windows Media is properly secured is also crucial.

Technical summary

The vulnerability has a CVSS score of 5.3 and is classified as CWE-200. It allows an attacker to disclose sensitive information over a network through Windows Media components in Windows 10, Windows 11, and Windows Server versions. The vulnerability can be exploited by an unauthorized attacker, potentially leading to information disclosure.

Defensive priority

Apply patches or mitigations to prevent potential information disclosure. Review system configurations and ensure that Windows Media is properly secured. Monitor system logs for potential security incidents.

Recommended defensive actions

  • Apply patches or mitigations to prevent potential information disclosure
  • Review system configurations and ensure that Windows Media is properly secured
  • Monitor system logs for potential security incidents
  • 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 was published on 2026-07-14T18:17:44.540Z and was last modified on 2026-07-20T14:04:43.130Z. The NVD entry is currently Analyzed. The vulnerability affects multiple versions of Windows 10, Windows 11, and Windows Server. Users of these systems should apply patches or mitigations to prevent potential information disclosure. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50415 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50415

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

  • CVE-2026-50415 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50415

    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.