What is CVE-2026-65785?

CVE-2026-65785 is a medium-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-08-11.

How severe is CVE-2026-65785?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Microsoft Windows 11 Version 24h2

CVE-2026-65785

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

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
Microsoft Windows 11 Version 25h2 — versions 10.0.26200.0
Microsoft Windows 11 Version 26h1 — versions 10.0.28000.0
Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

Windows DHCP Client Denial of Service Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-65785?: CVE-2026-65785 is a medium-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-08-11.
How severe is CVE-2026-65785?: Medium severity. CVSS v3 base score is 6.5 out of 10.