ZDI-CAN-27581: ZDI-26-186: Fortinet FortiClient Link Following Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of Fortinet FortiClient. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-24018.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-27581?
ZDI-CAN-27581 is classified as a local privilege escalation vulnerability that poses a significant risk to affected installations of Fortinet FortiClient.
How do I fix ZDI-CAN-27581?
To fix ZDI-CAN-27581, update Fortinet FortiClient to the latest version provided by the vendor.
Who is affected by ZDI-CAN-27581?
ZDI-CAN-27581 affects users of Fortinet FortiClient who have not applied the necessary security updates.
What type of attack does ZDI-CAN-27581 enable?
ZDI-CAN-27581 enables local attackers to escalate their privileges on systems with vulnerable Fortinet FortiClient installations.
What must an attacker do to exploit ZDI-CAN-27581?
An attacker must first execute low-privileged code on the target system to exploit ZDI-CAN-27581.