SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-1603

Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability

KEVHIGH 7.5EPSS 88.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 23 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
88.33% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 9 March 2026 · due 23 March 2026
Weakness
CWE-288, CWE-306
Affected
ivanti/endpoint manager
Source
3c1d8aa1-5a33-4ea4-8992-aadd6440af75
EPSS trend
0%45%90%24 September 2026: 87.64%26 October 2026: 88.33%24 September 202626 October 2026

EPSS moved from 87.6% on 24 September 2026 to 88.3% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://hub.ivanti.com/s/article/Security-Advisory-EPM-February-2026-for-EPM-2024?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2026-1603

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.