HIGH CISA KEV Actively Exploited

CVE-2026-1603

Authentication Bypass Allows Credential Leakage in Ivanti Endpoint Manager

CVSS v3

8.6

HIGH

EPSS Score

55.9 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

active

SSVC status

Description

An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.

CISA Known Exploited Vulnerability

Date Added: 2026-03-09
Patch Due Date: 2026-03-23
Ransomware Use: Unknown

Technical details

CVSS v3 Vector: 3.1
Published: 2026-02-10
Last Modified: 2026-03-10

Frequently asked questions

What is CVE-2026-1603?

An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.

Is CVE-2026-1603 actively exploited?

Yes. CVE-2026-1603 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 2026-03-23.

What is the CVSS score for CVE-2026-1603?

CVE-2026-1603 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string 3.1.

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