Fortinet FortiClientEMS up to 7.2.10/7.2.15/7.4.1/7.4.7 privileges management

Summaryinfo

A vulnerability classified as very critical has been found in Fortinet FortiClientEMS up to 7.2.10/7.2.15/7.4.1/7.4.7. The impacted element is an unknown function. Performing a manipulation results in privileges management. This vulnerability was named CVE-2026-121527. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as very critical has been found in Fortinet FortiClientEMS up to 7.2.10/7.2.15/7.4.1/7.4.7. This affects some unknown processing. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A execution with unnecessary privileges vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.7, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow an authenticated local attacker with admin privileges to gain root shell access via CLI commands.

The advisory is shared at fortiguard.fortinet.com. This vulnerability is uniquely identified as CVE-2026-121527 since 11/03/2026. The exploitability is told to be easy. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/11/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Fortinet

Name

• FortiClientEMS

Version

• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12
• 7.2.13
• 7.2.14
• 7.2.15
• 7.4.0
• 7.4.1
• 7.4.2
• 7.4.3
• 7.4.4
• 7.4.5
• 7.4.6
• 7.4.7

License

• commercial

Website

• Vendor: https://www.fortinet.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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