CVE-2026-72979: Windows DHCP Server Remote Code Execution Vulnerability
Use after free 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 6.2.9200.26349Patch KB5123065 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
The issue is remotely exploitable over the network by an unauthorized attacker. No privileges or user interaction are required.
Which systems should be prioritized for investigation?
Prioritize systems running Windows DHCP Server on the listed Windows 10 and Windows Server 2012, 2012 R2, 2016, 2019, 2022, or 2025 platforms. The provided data does not identify specific affected builds or configurations.
What is the potential impact of successful exploitation?
Successful exploitation can allow remote code execution. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability.