Last seen April 3, 2026

CVE-2026-35616 Security Incident affecting FortiClient EMS

Evidence indicates that FortiClient EMS is affected by a security issue. Exploitation evidence is classified as confirmed in the wild.

Technical Severity
High severity
Lifecycle Status

STABLE

What Happened

Evidence indicates that FortiClient EMS is affected by a security issue. Exploitation evidence is classified as confirmed in the wild.

Why This Matters

Current evidence identifies a security issue involving FortiClient EMS, but does not yet support a more specific impact claim.

Recommended Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Confirm whether FortiClient EMS is present in your environment and review the affected configuration.

Exposure

Recommended Response
First Seen

Apr 03, 2026 05:30

Last Seen

Apr 03, 2026 05:30

Exploitation status: CONFIRMED_IN_THE_WILD

Primary entities:

Fortinet FortiClient EMS CVE-2026-35616

Authoritative Intelligence

CVE CVE-2026-35616 Incident identifier
NVD CVSS 9.8 CRITICAL NVD
FIRST EPSS 0.907 99.8 pct
CWE CWE-284 Weakness classification

Provider evidence: NVD, CISA KEV, FIRST EPSS

EPSS is a vulnerability exploitation probability signal, not proof that your environment is exposed. CISA KEV means known exploitation of the vulnerability, not that your system was exploited.

Timeline

  • Incident first seen
    Apr 03, 2026 05:30

    BugSkan first recorded this incident.

  • New infosec products of the month: March 2026 - Help Net Security
    Apr 03, 2026 05:30

    helpnetsecurity.com · Vulnerability

Sources

New infosec products of the month: March 2026 - Help Net Security

helpnetsecurity.com · Apr 03, 2026 05:30

A zero-day vulnerability (CVE-2026-35616) affecting FortiClient EMS has been actively exploited, necessitating the urgent release of emergency hotfixes. This critical flaw allows attackers to compromise enterprise management systems before a patch is widely available.

Open publisher source

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