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PatchSiren cyber security CVE debrief

CVE-2026-50445 Microsoft CVE debrief

CVE-2026-50445 is a MEDIUM severity vulnerability in Windows RDP that allows unauthorized attackers to disclose information over a network. The vulnerability is caused by a buffer over-read in Windows RDP. The affected products include Windows 10, Windows 11, and Windows Server systems. The vulnerability has a CVSS score of 6.5 and a CVSS severity of MEDIUM. Administrators and users should be aware of this vulnerability and take necessary precautions to protect their systems.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 6.5
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

Administrators and users of Windows 10, Windows 11, and Windows Server systems should be aware of this vulnerability and take necessary precautions to protect their systems. Vulnerability management and security teams should review the official CVE record and NVD entry for more information and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability is caused by a buffer over-read in Windows RDP, which allows an unauthorized attacker to disclose information over a network. The vulnerability has a CVSS score of 6.5 and a CVSS severity of MEDIUM. The affected products include Windows 10, Windows 11, and Windows Server systems. Defenders should review the official CVE record and NVD entry for more information.

Defensive priority

Medium

Recommended defensive actions

  • Apply patches or updates provided by Microsoft to vulnerable systems
  • Restrict access to Windows RDP services
  • Monitor network traffic for suspicious activity
  • Implement additional security measures such as multi-factor authentication and encryption
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record was published on 2026-07-14T18:17:48.890Z and was last modified on 2026-07-21T16:24:41.447Z. The NVD entry is currently Analyzed. The vulnerability is a buffer over-read in Windows RDP, which allows an unauthorized attacker to disclose information over a network. The source details are limited, and defenders should verify the affected scope and severity based on the official CVE record and NVD entry.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50445 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50445

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

  • CVE-2026-50445 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50445

    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.