Elevation of Privilege Vulnerability in Windows DHCP Server by Microsoft
CVE-2026-62807

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows Server 2012
Windows Server 2012 (server Core Installation)
Windows Server 2012 R2
Windows Server 2012 R2 (server Core Installation)
Vendor
CVE Published:
11 August 2026

What is CVE-2026-62807?

A security flaw in the Windows DHCP Server arises from improper link resolution before file access, known as 'link following.' Exploitation of this vulnerability enables an authorized attacker to elevate their privileges locally, potentially leading to unauthorized access to sensitive information or control over the system. It's crucial for organizations using Windows DHCP Server to apply updates and patches to mitigate this risk.

Affected Version(s)

Windows Server 2012 (Server Core installation) x64-based Systems 6.2.9200.0 < 6.2.9200.26280

Windows Server 2012 R2 (Server Core installation) x64-based Systems 6.3.9600.0 < 6.3.9600.23338

Windows Server 2012 R2 x64-based Systems 6.3.9600.0 < 6.3.9600.23338

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.