CVE-2026-50685 Microsoft CVE debrief

Who should care

System administrators and security teams responsible for managing Windows DHCP Server installations should be aware of this vulnerability and take necessary actions to mitigate it. This includes reviewing the CVE record and NVD entry for more information and implementing compensating controls, such as network segmentation or access controls.

Technical summary

The vulnerability is caused by a double free error in the Windows DHCP Server. An authorized attacker could exploit this vulnerability to execute code over a network. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability affects Windows DHCP Server installations and could be exploited by an authorized attacker to execute code over a network.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it could allow an authorized attacker to execute code over a network.

Recommended defensive actions

• Apply the patch provided by Microsoft
• Review and update Windows DHCP Server configurations to ensure they are secure
• Monitor network activity for suspicious behavior
• Implement compensating controls, such as network segmentation or access controls
• Review relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-14T18:18:03.603Z and was last modified on 2026-07-21T19:55:20.847Z. The NVD entry is currently Analyzed. The evidence for this CVE is based on the NVD entry and the CVE record. The CVE record was provided by the CVE Numbering Authority and the NVD entry was provided by the National Vulnerability Database. The information provided is based on the data available up to the last modification date.

Official resources