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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-77494

Windows DHCP Server Denial of Service Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 10 Version 1607

  • 10.0.14393.0 to < 10.0.14393.9512affected

Microsoft Windows 10 Version 1809

  • 10.0.17763.0 to < 10.0.17763.9245affected

Microsoft Windows Server 2012

  • 6.2.9200.0 to < 6.2.9200.26349affected

Microsoft Windows Server 2012 (Server Core installation)

  • 6.2.9200.0 to < 6.2.9200.26349affected

Microsoft Windows Server 2012 R2

  • 6.3.9600.0 to < 6.3.9600.23398affected

Microsoft Windows Server 2012 R2 (Server Core installation)

  • 6.3.9600.0 to < 6.3.9600.23398affected

Microsoft Windows Server 2016

  • 10.0.14393.0 to < 10.0.14393.9512affected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.14393.0 to < 10.0.14393.9512affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.9245affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.9245affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5622affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33438affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33438affected

References