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CVE-2026-50460 Microsoft CVE debrief

CVE-2026-50460 is a high-severity vulnerability in Windows Runtime that allows an unauthorized attacker to elevate privileges over a network. The vulnerability is caused by a race condition in Windows Runtime, which can be exploited by an attacker to gain elevated privileges. This vulnerability affects multiple versions of Windows 10, Windows 11, and Windows Server. Users and administrators of these systems should apply the available patch to mitigate the vulnerability. The vulnerability has a CVSS score of 8.1 and is classified as HIGH severity.

Vendor
Microsoft
Product
Windows 10 Version 1809
CVSS
HIGH 8.1
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 and administrators of these systems should apply the available patch to mitigate the vulnerability. Operators, platform administrators, and security teams should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The vulnerability is caused by a race condition in Windows Runtime, which can be exploited by an attacker to gain elevated privileges over a network. The vulnerability has a CVSS score of 8.1 and is classified as HIGH severity. Affected products include multiple versions of Windows 10, Windows 11, and Windows Server. Microsoft has provided a patch for the vulnerability.

Defensive priority

High

Recommended defensive actions

  • Apply the available patch from Microsoft
  • Ensure Windows Runtime is up-to-date
  • Monitor system logs for suspicious activity
  • Implement additional security measures to prevent privilege escalation
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The vulnerability is documented in the CVE record and NVD detail pages. Microsoft has provided a patch for the vulnerability. Evidence of exploitation has not been reported. The CVE record was published on 2026-07-14T18:17:51.167Z and has not been modified since then. The NVD entry is currently Analyzed. Defenders should verify affected scope and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50460 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50460

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

  • CVE-2026-50460 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50460

    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.