CVE-2026-69510: Windows DHCP Server Remote Code Execution Vulnerability
Stack-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 10.0.14393.9512Patch KB5123099 - 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 10.0.20348.5622Patch 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 6.2.9200.26349Patch KB5123065 - 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
Which systems should be prioritized for assessment?
Prioritize hosts running Microsoft Windows DHCP Server, particularly on the listed Windows Server versions: 2012, 2012 R2, 2016, 2019, 2022, and 2025. Microsoft Windows 10 is also listed as affected software.
Does an attacker need credentials or user interaction?
No. The vulnerability is described as exploitable by an unauthorized attacker, and the supplied vector indicates no privileges or user interaction are required.
What access does an attacker need to attempt exploitation?
The attack is performed over a network, so the attacker needs network reachability to the vulnerable DHCP Server. The supplied vector rates attack complexity as high, indicating exploitation requires conditions beyond simple network access.