CVE-2026-1603

HIGHNVD 8.69.0
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 8.6 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
8.6
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 81%CVSS: 8.6Exploit: NoneExposed: 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
8.6
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
99.6%
KEV
⚠ Exploited

Published

February 10, 2026

Last Modified

March 10, 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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 50× in last 7d / 207× 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 388 total refreshes for this CVE.

  1. 2026-07-23 03:05 UTCEG score recompute
  2. 2026-07-22 21:07 UTCGHSA enrichment
  3. 2026-07-22 19:40 UTCCISA KEV update
  4. 2026-07-22 17:03 UTCEG score recompute
  5. 2026-07-22 17:03 UTCGHSA enrichment
  6. 2026-07-22 14:08 UTCEPSS rescore
  7. 2026-07-22 12:57 UTCGHSA enrichment
  8. 2026-07-22 08:53 UTCGHSA enrichment
  9. 2026-07-22 04:49 UTCGHSA enrichment
  10. 2026-07-22 00:42 UTCGHSA enrichment
  11. 2026-07-21 20:37 UTCGHSA enrichment
  12. 2026-07-21 16:33 UTCEG score recompute
  13. 2026-07-21 16:33 UTCGHSA enrichment
  14. 2026-07-21 15:24 UTCEPSS rescore
  15. 2026-07-21 15:24 UTCEPSS rescore
  16. 2026-07-21 14:37 UTCCISA KEV update
  17. 2026-07-21 12:28 UTCGHSA enrichment
  18. 2026-07-21 08:23 UTCGHSA enrichment
  19. 2026-07-21 04:19 UTCGHSA enrichment
  20. 2026-07-21 00:14 UTCGHSA enrichment
  21. 2026-07-20 20:09 UTCEG score recompute
  22. 2026-07-20 20:09 UTCGHSA enrichment
  23. 2026-07-20 17:08 UTCEPSS rescore
  24. 2026-07-20 16:04 UTCGHSA enrichment
  25. 2026-07-20 12:00 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 07:56 UTCGHSA enrichment
  2. 2026-07-20 03:52 UTCGHSA enrichment
  3. 2026-07-19 23:48 UTCGHSA enrichment
  4. 2026-07-19 19:43 UTCGHSA enrichment
  5. 2026-07-19 15:39 UTCGHSA enrichment
  6. 2026-07-19 11:35 UTCGHSA enrichment
  7. 2026-07-19 07:31 UTCGHSA enrichment
  8. 2026-07-19 03:27 UTCEG score recompute
  9. 2026-07-19 03:27 UTCGHSA enrichment
  10. 2026-07-19 02:29 UTCEPSS rescore
  11. 2026-07-19 02:28 UTCEPSS rescore
  12. 2026-07-18 23:22 UTCGHSA enrichment
  13. 2026-07-18 19:17 UTCGHSA enrichment
  14. 2026-07-18 15:13 UTCGHSA enrichment
  15. 2026-07-18 11:08 UTCGHSA enrichment
  16. 2026-07-18 07:04 UTCGHSA enrichment
  17. 2026-07-18 03:00 UTCGHSA enrichment
  18. 2026-07-17 22:56 UTCGHSA enrichment
  19. 2026-07-17 18:52 UTCGHSA enrichment
  20. 2026-07-17 14:47 UTCGHSA enrichment
  21. 2026-07-17 10:43 UTCEG score recompute
  22. 2026-07-17 10:43 UTCGHSA enrichment
  23. 2026-07-17 06:38 UTCGHSA enrichment
  24. 2026-07-17 02:34 UTCGHSA enrichment
  25. 2026-07-16 22:29 UTCGHSA enrichment
  26. 2026-07-16 18:24 UTCGHSA enrichment
  27. 2026-07-16 17:04 UTCCISA KEV update
  28. 2026-07-16 14:19 UTCGHSA enrichment
  29. 2026-07-16 10:15 UTCGHSA enrichment
  30. 2026-07-16 06:11 UTCGHSA enrichment
  31. 2026-07-16 02:07 UTCGHSA enrichment
  32. 2026-07-15 22:02 UTCGHSA enrichment
  33. 2026-07-15 17:58 UTCGHSA enrichment
  34. 2026-07-15 16:57 UTCEPSS rescore
  35. 2026-07-15 16:57 UTCEPSS rescore
  36. 2026-07-15 16:49 UTCCISA KEV update
  37. 2026-07-15 15:04 UTCCISA KEV update
  38. 2026-07-15 13:54 UTCGHSA enrichment
  39. 2026-07-15 09:50 UTCGHSA enrichment
  40. 2026-07-15 05:45 UTCGHSA enrichment
  41. 2026-07-15 01:41 UTCGHSA enrichment
  42. 2026-07-14 21:37 UTCGHSA enrichment
  43. 2026-07-14 18:05 UTCCISA KEV update
  44. 2026-07-14 17:33 UTCGHSA enrichment
  45. 2026-07-14 13:29 UTCGHSA enrichment
  46. 2026-07-14 09:25 UTCGHSA enrichment
  47. 2026-07-14 05:20 UTCGHSA enrichment
  48. 2026-07-14 01:16 UTCGHSA enrichment
  49. 2026-07-13 22:30 UTCEPSS rescore
  50. 2026-07-13 21:12 UTCGHSA enrichment
  51. 2026-07-13 17:08 UTCGHSA enrichment
  52. 2026-07-13 17:07 UTCCISA KEV update
  53. 2026-07-13 13:03 UTCGHSA enrichment
  54. 2026-07-13 08:59 UTCGHSA enrichment
  55. 2026-07-13 04:55 UTCGHSA enrichment
  56. 2026-07-13 00:51 UTCGHSA enrichment
  57. 2026-07-12 20:46 UTCGHSA enrichment
  58. 2026-07-12 16:42 UTCGHSA enrichment
  59. 2026-07-12 12:38 UTCGHSA enrichment
  60. 2026-07-12 08:34 UTCGHSA enrichment
  61. 2026-07-12 04:30 UTCGHSA enrichment
  62. 2026-07-12 00:26 UTCGHSA enrichment
  63. 2026-07-11 20:22 UTCGHSA enrichment
  64. 2026-07-11 16:18 UTCGHSA enrichment
  65. 2026-07-11 12:14 UTCGHSA enrichment
  66. 2026-07-11 08:27 UTCEPSS rescore
  67. 2026-07-11 08:10 UTCGHSA enrichment
  68. 2026-07-11 04:05 UTCGHSA enrichment
  69. 2026-07-11 00:01 UTCGHSA enrichment
  70. 2026-07-10 19:57 UTCGHSA enrichment
  71. 2026-07-10 17:52 UTCCISA KEV update
  72. 2026-07-10 15:53 UTCGHSA enrichment
  73. 2026-07-10 11:49 UTCGHSA enrichment
  74. 2026-07-10 07:43 UTCGHSA enrichment
  75. 2026-07-10 03:38 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 high 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 March 10, 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 8.6 (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

Explore the affected products and dependency analysis for CVE-2026-1603

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