CVE-2026-65785: Windows DHCP Client Denial of Service Vulnerability
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
Other sources
Windows DHCP Client Denial of Service Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994
Event History
Frequently Asked Questions
What is the severity of CVE-2026-65785?
CVE-2026-65785 has a medium severity rating of 6.5.
What is CVE-2026-65785 about?
CVE-2026-65785 is a vulnerability in the Windows DHCP Client that allows unauthorized attackers to cause a denial of service.
How do I fix CVE-2026-65785?
To mitigate CVE-2026-65785, ensure that all relevant Microsoft Windows updates are applied as recommended by Microsoft.
Which software is affected by CVE-2026-65785?
CVE-2026-65785 affects Microsoft Windows 11 and Microsoft Windows Server 2025.
What is the impact of CVE-2026-65785?
The impact of CVE-2026-65785 is denial of service, potentially disrupting network availability.