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Advisory severityMedium5.5Vendor: HighMicrosoft Server Updated

Medium [CVE-2026-70085] Role: DNS Server Tampering Vulnerability

This medium-severity Microsoft Server advisory covers CVE-2026-70085 affecting Windows Server 2019, Windows Server 2022, Windows Server 2025.

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

CVE-2026-70085 Source published Source updated

VulniPulse record published Record updated

CVE-2026-70085
Affected products & platforms
Microsoft ServerWindows Server
Open source advisory

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Summary

Role: DNS Server Tampering Vulnerability

Affected products named by the advisory: Windows Server 2019; Windows Server 2022; Windows Server 2025; Windows Server 2016; and 2 more.

Affected products named by the advisory: Windows Server 2012 R2.

Affected versions
  • Windows Server 2012 6.2.9200.0 before 6.2.9200.26434
  • Windows Server 2012 (Server Core installation) 6.2.9200.0 before 6.2.9200.26434
  • Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.23470
  • Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.23470
  • Windows Server 2016 10.0.14393.0 before 10.0.14393.9612
  • Windows Server 2016 (Server Core installation) 10.0.14393.0 before 10.0.14393.9612
  • Windows Server 2019 10.0.17763.0 before 10.0.17763.9376
  • Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.9376
  • Windows Server 2022 10.0.20348.0 before 10.0.20348.5761
  • Windows Server 2025 10.0.26100.0 before 10.0.26100.33650
  • Windows Server 2025 (Server Core installation) 10.0.26100.0 before 10.0.26100.33650

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Fixed versions
  • KB5126651 (build 10.0.17763.9376)
  • KB5126655 (build 10.0.20348.5761)
  • KB5126646 (build 10.0.26100.33650)
  • KB5126868 (build 10.0.14393.9612)
  • KB5126835 (build 6.2.9200.26434)
  • KB5126836 (build 6.3.9600.23470)

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Install the applicable security update for your platform: KB5126651, KB5126655, KB5126646, KB5126868, KB5126835, KB5126836 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

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