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CVE-2026-121527

Vulnerability record

  • Medium 6.3

Description

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.

Key facts

Published
11 Nov 2026
Last changed
13 Nov 2026
Assigned by
fortinet
EPSS
0.163% likely to be exploited in the next 30 days, higher than 5.547% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 6.3CVSS 3.1, Mediumfrom the CNA (fortinet)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

What to do

  • Upgrade to FortiClientEMS version 8.0.0 or above Upgrade to FortiClientEMS version 7.4.8 or aboveCNA solution statement

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
FortinetFortiClientEMS
  • Default status: unaffected
  • 7.4.3 up to and including 7.4.7 (affected)
  • 7.4.0 up to and including 7.4.1 (affected)
  • 7.2.12 up to and including 7.2.15 (affected)
  • 7.2.0 up to and including 7.2.10 (affected)

Timeline

  1. 11 Nov 2026 Published

Weakness

References