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OpenAdvisories
Medium · 6.5 CVE-2026-65785 EUVD-2026-56439GHSA-r9x2-vg45-q8vq

Windows DHCP Client Denial of Service Vulnerability

Published Aug 11, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Description

Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.9168 10.0.26100.9168
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.9168 10.0.26200.9168
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.2704 10.0.28000.2704
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.33296 10.0.26100.33296
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.33296 10.0.26100.33296

Advisories 3

References