CVE-2026-62807

Analyzed Analyzed - Analysis Complete

Improper Link Resolution Leading to Privilege Escalation in Windows DHCP Server

Publication date: 2026-08-11

Last updated on: 2026-08-17

Assigner: Microsoft Corporation

Description

Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-11

Last Modified

2026-08-17

Generated

2026-09-01

AI Q&A

2026-08-11

EPSS Evaluated

2026-08-30

NVD

CVE-2026-62807

EUVD

EUVD-2026-56672

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_server_2016	to 10.0.14393.9418 (exc)
microsoft	windows_server_2022	to 10.0.20348.5440 (exc)
microsoft	windows_server_2025	to 10.0.26100.33222 (exc)
microsoft	windows_10_1809	to 10.0.17763.9121 (exc)
microsoft	windows_10_1809	to 10.0.17763.9121 (exc)
microsoft	windows_server_2019	to 10.0.17763.9121 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-59	The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Attack-Flow Graph

Executive Summary

This is a local elevation of privilege vulnerability in Windows DHCP Server caused by improper link resolution before file access. An authorized attacker could exploit this to gain higher privileges on the system.

Impact Analysis

If exploited, this vulnerability allows an attacker with existing local access to elevate their privileges, potentially gaining control over the affected system. This could lead to unauthorized data access, system manipulation, or further network compromise.

Compliance Impact

The vulnerability allows local privilege escalation via improper link resolution in Windows DHCP Server. This could potentially lead to unauthorized access or control, which may impact compliance with standards requiring strict access controls, such as HIPAA for protected health information or GDPR for personal data protection.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows DHCP Server vulnerability. Monitor Microsoft's advisory for updates and ensure only authorized users have access to the DHCP server.

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