Denial of Service Vulnerability in Windows DHCP Server by Microsoft
CVE-2026-58627

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1607
Windows 10 Version 1809
Windows Server 2012
Windows Server 2012 (server Core Installation)
Vendor
CVE Published:
14 July 2026

What is CVE-2026-58627?

A resource consumption vulnerability exists in Windows DHCP Server that can be exploited by unauthorized attackers. This flaw allows attackers to manipulate network resources, potentially leading to service interruptions for legitimate users. The impact of this vulnerability underscores the necessity for network administrators to implement security measures and monitor usage to prevent exploitation. Regular updates and patches from Microsoft should be applied to mitigate this risk.

Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9339

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9020

Windows Server 2012 (Server Core installation) x64-based Systems 6.2.9200.0 < 6.2.9200.26226

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.