CVE-2025-62676
Improper Link Resolution in FortiClient Windows Allows Privilege Escalation
Publication date: 2026-02-10
Last updated on: 2026-02-12
Assigner: Fortinet, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 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
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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