Is CVE-2026-59836 actively exploited?

No active exploitation of CVE-2026-59836 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-59836 be exploited remotely?

Yes. CVE-2026-59836 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-59836?

CVE-2026-59836 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-59836

CWE-295Published: July 14, 2026· Updated: Jul 15, 2026

9.8

CVSS v3.1

Official 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>

NVD Source

Risk Analysis

This critical vulnerability in Fortinet FortiClientEMS allows for information disclosure due to improper certificate validation. With a CVSS score of 9.8, this flaw poses a severe risk to data confidentiality. No user interaction is required for exploitation.

No public exploits are currently known for this vulnerability. The flaw is remotely exploitable with low complexity, making it a significant concern.

Recommended Action

Administrators should update Fortinet FortiClientEMS to a patched version beyond 7.4.5 for the 7.4.3-7.4.5 series, and beyond 7.4.1 for the 7.4.0-7.4.1 series. Ensure all certificates are properly validated and configured.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-59836 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.