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Advisory severityHigh8.1Microsoft Server

High [CVE-2026-50487] Windows DNS Client Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-50487 affecting Windows Server 2025.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-50487 Source published

VulniPulse record published Record updated

CVE-2026-50487
Affected products & platforms
Microsoft ServerWindows Server
Open source advisory

Summary

Windows DNS Client Elevation of Privilege Vulnerability

Affected product named by the advisory: Windows Server 2025.

Is CVE-2026-50487 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-50487 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-50487?

Upgrade to a fixed release named by Microsoft:

  • KB5099536 (build 10.0.26100.33158)
  • KB5101650 (build 10.0.26100.8875)
  • KB5101649 (build 10.0.28000.2525)

Confirm against the vendor advisory before you patch.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • KB5099536 (build 10.0.26100.33158)
  • KB5101650 (build 10.0.26100.8875)
  • KB5101649 (build 10.0.28000.2525)

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Install the applicable security update for your platform: KB5099536, KB5101650, KB5101649 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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