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CVE-2026-1603

Ivanti Endpoint Manager (EPM) Authentication Bypass

8.6 HIGHActively exploited (CISA KEV)EPSS 88.3%
  1. Published10 Feb 2026
  2. Added to CISA KEV9 Mar 2026
  3. Remediation due23 Mar 2026
Actively exploited (CISA KEV)

Ivanti Endpoint Manager (EPM) contains an authentication bypass using an alternate path or channel vulnerability that could allow a remote unauthenticated attacker to leak specific stored credential data.

Added to KEV: 9 Mar 2026Federal remediation due: 23 Mar 2026

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

Ivanti Endpoint Manager< 2024 · 2024

Remediation

Fixed in
Ivanti Endpoint Manager≥ 2024

References

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Frequently asked

Is CVE-2026-1603 being actively exploited?

Yes. CVE-2026-1603 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 9 Mar 2026.

How severe is CVE-2026-1603?

CVE-2026-1603 has a CVSS 3.1 base score of 8.6, rated high. EPSS estimates a 88.3% probability of exploitation.

Which products are affected by CVE-2026-1603?

Affected products include Ivanti Endpoint Manager.

How do I fix CVE-2026-1603?

Upgrade affected software to a fixed version, for example Ivanti Endpoint Manager 2024 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-1603 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.