CVE-2026-96320: Windows DHCP Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Other sources
Windows DHCP Server Remote Code Execution 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 10.0.14393.9612Patch KB5126868 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26434Patch KB5126835
Event History
Frequently Asked Questions
Which systems are exposed to this issue?
Systems running the Windows DHCP Server service are exposed. The vulnerability is reachable over the network, so an attacker does not need local access to the server.
What does an attacker need to exploit it?
The vulnerability can be exploited by an unauthorized attacker over a network. No privileges or user interaction are required according to the provided vector.
What is the potential impact of successful exploitation?
Successful exploitation allows remote code execution on the affected Windows DHCP Server. The supplied severity vector indicates high impact to confidentiality, integrity, and availability.
Is there mitigation guidance available if patching cannot happen immediately?
No mitigation or workaround information is provided in the available data. Review the referenced Microsoft security advisory for vendor guidance.