CVE-2026-1603

CRITICALNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-03-09), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 81%CVSS: 7.5Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
7.5
EG Score
9.0(high)
EG Risk
96(Act)
EG Risk 96/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
81%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

February 10, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-1603
generic

Ivanti Innovators Hub

https://hub.ivanti.com/s/article/Security-Advisory-EPM-February-2026-for-EPM-2024?language=en_US

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 54× in last 7d / 220× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 802 total refreshes for this CVE.

  1. 2026-09-19 18:13 UTCGHSA enrichment
  2. 2026-09-19 14:09 UTCGHSA enrichment
  3. 2026-09-19 10:05 UTCGHSA enrichment
  4. 2026-09-19 06:01 UTCGHSA enrichment
  5. 2026-09-19 01:55 UTCGHSA enrichment
  6. 2026-09-18 21:51 UTCEG score recompute
  7. 2026-09-18 21:51 UTCGHSA enrichment
  8. 2026-09-18 19:27 UTCEPSS rescore
  9. 2026-09-18 19:20 UTCCISA KEV update
  10. 2026-09-18 17:48 UTCGHSA enrichment
  11. 2026-09-18 14:15 UTCCISA KEV update
  12. 2026-09-18 13:44 UTCGHSA enrichment
  13. 2026-09-18 09:40 UTCGHSA enrichment
  14. 2026-09-18 05:36 UTCGHSA enrichment
  15. 2026-09-18 01:32 UTCGHSA enrichment
  16. 2026-09-17 21:28 UTCEG score recompute
  17. 2026-09-17 21:28 UTCGHSA enrichment
  18. 2026-09-17 17:23 UTCGHSA enrichment
  19. 2026-09-17 13:17 UTCGHSA enrichment
  20. 2026-09-17 09:13 UTCGHSA enrichment
  21. 2026-09-17 05:09 UTCGHSA enrichment
  22. 2026-09-17 01:05 UTCGHSA enrichment
  23. 2026-09-16 21:01 UTCGHSA enrichment
  24. 2026-09-16 16:57 UTCEG score recompute
  25. 2026-09-16 16:57 UTCGHSA enrichment
Show 75 more
  1. 2026-09-16 14:10 UTCCISA KEV update
  2. 2026-09-16 14:07 UTCEPSS rescore
  3. 2026-09-16 12:52 UTCGHSA enrichment
  4. 2026-09-16 08:48 UTCEG score recompute
  5. 2026-09-16 08:48 UTCGHSA enrichment
  6. 2026-09-16 05:14 UTCEPSS rescore
  7. 2026-09-16 04:43 UTCGHSA enrichment
  8. 2026-09-16 00:39 UTCGHSA enrichment
  9. 2026-09-15 20:35 UTCGHSA enrichment
  10. 2026-09-15 16:17 UTCGHSA enrichment
  11. 2026-09-15 12:13 UTCGHSA enrichment
  12. 2026-09-15 08:09 UTCGHSA enrichment
  13. 2026-09-15 04:05 UTCGHSA enrichment
  14. 2026-09-15 00:01 UTCGHSA enrichment
  15. 2026-09-14 19:57 UTCGHSA enrichment
  16. 2026-09-14 19:24 UTCCISA KEV update
  17. 2026-09-14 15:53 UTCGHSA enrichment
  18. 2026-09-14 11:49 UTCGHSA enrichment
  19. 2026-09-14 07:45 UTCGHSA enrichment
  20. 2026-09-14 03:41 UTCGHSA enrichment
  21. 2026-09-13 23:37 UTCGHSA enrichment
  22. 2026-09-13 19:33 UTCEG score recompute
  23. 2026-09-13 19:33 UTCGHSA enrichment
  24. 2026-09-13 16:46 UTCEPSS rescore
  25. 2026-09-13 15:29 UTCGHSA enrichment
  26. 2026-09-13 11:25 UTCGHSA enrichment
  27. 2026-09-13 07:20 UTCGHSA enrichment
  28. 2026-09-13 03:16 UTCGHSA enrichment
  29. 2026-09-12 23:13 UTCGHSA enrichment
  30. 2026-09-12 19:09 UTCGHSA enrichment
  31. 2026-09-12 15:05 UTCEG score recompute
  32. 2026-09-12 15:04 UTCGHSA enrichment
  33. 2026-09-12 15:00 UTCEPSS rescore
  34. 2026-09-12 11:00 UTCGHSA enrichment
  35. 2026-09-12 06:56 UTCGHSA enrichment
  36. 2026-09-12 02:52 UTCGHSA enrichment
  37. 2026-09-11 22:47 UTCGHSA enrichment
  38. 2026-09-11 18:49 UTCCISA KEV update
  39. 2026-09-11 18:42 UTCGHSA enrichment
  40. 2026-09-11 14:38 UTCGHSA enrichment
  41. 2026-09-11 10:34 UTCGHSA enrichment
  42. 2026-09-11 06:29 UTCGHSA enrichment
  43. 2026-09-11 02:25 UTCGHSA enrichment
  44. 2026-09-10 22:21 UTCGHSA enrichment
  45. 2026-09-10 19:28 UTCCISA KEV update
  46. 2026-09-10 18:17 UTCGHSA enrichment
  47. 2026-09-10 14:13 UTCGHSA enrichment
  48. 2026-09-10 10:09 UTCEG score recompute
  49. 2026-09-10 10:09 UTCGHSA enrichment
  50. 2026-09-10 09:34 UTCEPSS rescore
  51. 2026-09-10 06:05 UTCGHSA enrichment
  52. 2026-09-10 02:00 UTCGHSA enrichment
  53. 2026-09-09 21:56 UTCGHSA enrichment
  54. 2026-09-09 19:08 UTCCISA KEV update
  55. 2026-09-09 17:50 UTCGHSA enrichment
  56. 2026-09-09 13:46 UTCGHSA enrichment
  57. 2026-09-09 09:41 UTCGHSA enrichment
  58. 2026-09-09 05:37 UTCGHSA enrichment
  59. 2026-09-09 01:32 UTCGHSA enrichment
  60. 2026-09-08 21:29 UTCGHSA enrichment
  61. 2026-09-08 18:54 UTCCISA KEV update
  62. 2026-09-08 17:24 UTCGHSA enrichment
  63. 2026-09-08 13:19 UTCGHSA enrichment
  64. 2026-09-08 09:15 UTCGHSA enrichment
  65. 2026-09-08 05:10 UTCGHSA enrichment
  66. 2026-09-08 01:06 UTCGHSA enrichment
  67. 2026-09-07 21:02 UTCGHSA enrichment
  68. 2026-09-07 16:58 UTCGHSA enrichment
  69. 2026-09-07 12:53 UTCGHSA enrichment
  70. 2026-09-07 08:46 UTCGHSA enrichment
  71. 2026-09-07 04:40 UTCGHSA enrichment
  72. 2026-09-07 00:36 UTCGHSA enrichment
  73. 2026-09-06 20:32 UTCGHSA enrichment
  74. 2026-09-06 16:28 UTCEG score recompute
  75. 2026-09-06 16:28 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-1603.yaml
    First seen Jan 1, 2026

    Ivanti Endpoint Manager - Authentication Bypass

    Open source ↗

Frequently asked(6)

What is CVE-2026-1603?
CVE-2026-1603 is a critical vulnerability published on February 10, 2026. An authentication bypass in Ivanti Endpoint Manager before version 2024 SU5 allows a remote unauthenticated attacker to leak specific stored credential data.
When was CVE-2026-1603 disclosed?
CVE-2026-1603 was first published in the National Vulnerability Database on February 10, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1603 actively exploited?
Yes. CISA added CVE-2026-1603 to the Known Exploited Vulnerabilities catalog on March 9, 2026, affecting Ivanti Endpoint Manager (EPM). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-1603?
CVE-2026-1603 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2026-1603?
CVE-2026-1603 affects Ivanti Endpoint Manager (EPM). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-1603?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1603, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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