CRITICAL CISA KEV

CVE-2026-24858

CVSS v3

9.8

CRITICAL

EPSS Score

6.2 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through

CISA Known Exploited Vulnerability

Date Added: 2026-01-27
Patch Due Date: 2026-01-30
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-01-27
Last Modified: 2026-01-29

Frequently asked questions

What is CVE-2026-24858?

Is CVE-2026-24858 actively exploited?

Yes. CVE-2026-24858 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 1/30/2026.

What is the CVSS score for CVE-2026-24858?

CVE-2026-24858 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

Is CVE-2026-24858 affecting your environment?

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