CVE-2026-59836

CRITICALCVSS 9.8/10EPSS 0.12%

Last modified

CVE-2026-59836 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.12%

2.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetForticlientems>= 7.2.0, <= 7.4.1
FortinetForticlientems>= 7.4.3, < 7.4.6

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-59836?
A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
How severe is CVE-2026-59836?
CVE-2026-59836 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-59836?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-59836?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST