CVE-2026-62761

Analyzed Analyzed - Analysis Complete

Improper Link Resolution 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:
Percentile:

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-2026-62761

EUVD

EUVD-2026-56656

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 vulnerability is an improper link resolution issue in Windows DHCP Server that allows an authorized attacker to elevate privileges locally by exploiting link following.

Detection Guidance

Detection requires checking for unauthorized privilege escalation attempts on Windows DHCP Server. Monitor for suspicious file access patterns or unexpected privilege changes. Use Windows Event Viewer to review Security logs for events related to DHCP Server operations and privilege modifications.

Impact Analysis

An attacker with local access could exploit this to gain higher privileges on the system, potentially allowing them to take control of the affected machine.

Compliance Impact

This vulnerability allows local privilege escalation in Windows DHCP Server, which could lead to unauthorized access to sensitive data or system control. For GDPR, this may result in unauthorized data access or processing, violating integrity and confidentiality principles. For HIPAA, it could enable unauthorized access to protected health information, compromising compliance with security requirements.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows DHCP Server to address the improper link resolution vulnerability. Monitor Microsoft's update guide for patches and install them promptly.

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