CVE-2025-62676
Analyzed Analyzed - Analysis Complete

Improper Link Resolution in FortiClient Windows Allows Privilege Escalation

Vulnerability report for CVE-2025-62676, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-02-10

Last updated on: 2026-02-12

Assigner: Fortinet, Inc.

Description

An Improper Link Resolution Before File Access ('Link Following') vulnerability [CWE-59] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.4, FortiClientWindows 7.2.0 through 7.2.12, FortiClientWindows 7.0 all versions may allow a local low-privilege attacker to perform an arbitrary file write with elevated permissions via crafted named pipe messages.

CVSS Scores

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Meta Information

Published
2026-02-10
Last Modified
2026-02-12
Generated
2026-07-06
AI Q&A
2026-02-10
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
fortinet forticlient From 7.0.0 (inc) to 7.2.13 (exc)
fortinet forticlient From 7.4.0 (inc) to 7.4.5 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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

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Executive Summary

This vulnerability is an Improper Link Resolution Before File Access (also known as 'Link Following') issue in Fortinet FortiClientWindows versions 7.4.0 through 7.4.4, 7.2.0 through 7.2.12, and all versions of 7.0. It allows a local attacker with low privileges to write arbitrary files with elevated permissions by sending specially crafted named pipe messages.

Impact Analysis

An attacker exploiting this vulnerability could write files with elevated permissions on the affected system. This could lead to unauthorized modification of system files or configurations, potentially allowing the attacker to escalate privileges, execute malicious code, or disrupt system operations.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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