CVE-2026-35616: Fortinet FortiClientEMS improper access control vulnerability exploited in the wild
2026-04-06T20:52:17Z•e87c1d1c9db1f96277bb47c3fa1568d334fa85e265cfad71d55e55b0cb4f078c
CISA-KEVCVE-2026-35616FortiClientEMSFortinetexploited-in-the-wildhotfiximproper-access-controlpatch-nowpublic-exploit-codezero-day
What happened
CVE-2026-35616 is a critical (CVSSv3 9.1) improper access control vulnerability in Fortinet FortiClientEMS that has been exploited in the wild as a zero-day. A remote, unauthenticated attacker can abuse the flaw to gain unauthorized access; public exploit code has been observed and the issue was added to the CISA KEV. Fortinet has released hotfixes—organizations should apply vendor fixes immediately, block or isolate affected EMS instances until patched, and follow incident response playbooks for any signs of compromise.
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- tenable_blog
- Record identifier
- e87c1d1c9db1f96277bb47c3fa1568d334fa85e265cfad71d55e55b0cb4f078c
- Enrichment time
- 2026-04-06T20:52:17Z
- AI-assisted enrichment
- Yes
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