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MicrosoftCVE-2026-65785

Microsoft Windows DHCP Client: resource exhaustion

Medium6.5CVE-2026-65785 · Published Aug 11, 2026 · updated Aug 13, 2026

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

Microsoft advisory

Affected versions

PackageAffectedFixed in
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.916810.0.26100.9168
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.916810.0.26200.9168
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.270410.0.28000.2704
Windows Server 2025
Product
>= 10.0.26100.0, < 10.0.26100.3329610.0.26100.33296
Windows Server 2025 (Server Core installation)
Product
>= 10.0.26100.0, < 10.0.26100.3329610.0.26100.33296
Details and references
CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-400

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