Ivanti Endpoint Manager (EPM) authentication bypass (CVE-2026-1603)
Vulnerability
Summary
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A high-severity flaw in Ivanti Endpoint Manager (EPM) is now actively exploited, putting remote unauthenticated attackers in position to bypass authentication and steal credential data. CVE-2026-1603 was added to CISA's KEV Catalog, and FCEB agencies must patch within three weeks by March 23. Ivanti had already fixed the issue in Ivanti EPM 2024 SU5, but exposed systems remain at risk while internet-facing deployments persist.
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Advisory/Mitigation
H score46
First: 15.07.2026 17:07
Last: 15.07.2026 17:07
Sources 1
About this happening:
CISA’s Microsoft SharePoint servers hardening guidance responds to newly disclosed zero-day vulnerabilities that can be exploited remotely, creating immediate risk for sup...
CISA Microsoft SharePoint hardening guidance for exploited zero-days
Advisory/MitigationAbout this happening: CISA’s Microsoft SharePoint servers hardening guidance responds to newly disclosed zero-day vulnerabilities that can be exploited remotely, creating immediate risk for sup...
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Public Sector Action
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Sources 1
About this happening:
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Public Sector Action
H score34
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Sources 1
About this happening:
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Public Sector Action
H score36
First: 13.07.2026 18:20
Last: 13.07.2026 18:20
Sources 1
About this happening:
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Public Sector Action
H score35
First: 26.06.2026 22:43
Last: 26.06.2026 22:43
Sources 1
About this happening:
CISA ordered federal agencies to patch CVE-2026-20230 in Cisco Unified Communications Manager Server by June 28, tightening exposure around an actively exploited...
CISA sets June 28 patch deadline for Cisco Unified Communications Manager Server
Public Sector ActionAbout this happening: CISA ordered federal agencies to patch CVE-2026-20230 in Cisco Unified Communications Manager Server by June 28, tightening exposure around an actively exploited...
Timeline
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10.03.2026 13:36 2 articles · 4mo ago
CISA adds CVE-2026-1603 to KEV and orders patching
Legal Policy Action UpdateCISA added CVE-2026-1603 in Ivanti Endpoint Manager (EPM) to the Known Exploited Vulnerabilities (KEV) Catalog and ordered Federal Civilian Executive Branch (FCEB) agencies to patch affected systems within three weeks, by March 23, after describing the flaw as actively exploited and capable of letting remote unauthenticated attackers bypass authentication and steal credential data.
Show sources
- CISA: Recently patched Ivanti EPM flaw now actively exploited — www.bleepingcomputer.com — 10.03.2026 13:36
- CISA: Recently patched Ivanti EPM flaw now actively exploited — www.bleepingcomputer.com — 10.03.2026 13:36