CVE-2026-76460

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-09-16), indicating real-world exploitation has been confirmed by US federal agencies. a secondary CVSS source baseline 10.0 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, secondary
Trending — KEV-added this weekExploited in the wild
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 10.0Exploit: cisa kev · ssvc activeExposed: 0

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

A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: 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
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
1%
EPSS %ILE
54%
KEV
⚠ Exploited

Published

September 16, 2026

Last Modified

September 17, 2026

Advisory Details (2)

Auto-updated Sep 17, 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-2026-76460
generic

Cisco Identity Services Engine Authentication Bypass Vulnerability

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5

Vendor Advisories for CVE-2026-76460(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 28× in last 7d / 28× 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.

  1. 2026-09-19 02:58 UTCGHSA enrichment
  2. 2026-09-18 22:53 UTCEG score recompute
  3. 2026-09-18 22:53 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 19:20 UTCCISA KEV update
  6. 2026-09-18 18:49 UTCGHSA enrichment
  7. 2026-09-18 14:44 UTCEG score recompute
  8. 2026-09-18 14:44 UTCGHSA enrichment
  9. 2026-09-18 14:15 UTCCISA KEV update
  10. 2026-09-18 10:40 UTCGHSA enrichment
  11. 2026-09-18 06:35 UTCGHSA enrichment
  12. 2026-09-18 02:30 UTCGHSA enrichment
  13. 2026-09-17 22:26 UTCEG score recompute
  14. 2026-09-17 22:25 UTCGHSA enrichment
  15. 2026-09-17 18:18 UTCGHSA enrichment
  16. 2026-09-17 13:00 UTCGHSA enrichment
  17. 2026-09-17 11:58 UTCGHSA enrichment
  18. 2026-09-17 08:24 UTCGHSA enrichment
  19. 2026-09-17 04:19 UTCEG score recompute
  20. 2026-09-17 04:19 UTCGHSA enrichment
  21. 2026-09-17 04:05 UTCEG score recompute
  22. 2026-09-17 04:05 UTCGHSA enrichment
  23. 2026-09-17 01:32 UTCEG score recompute
  24. 2026-09-17 01:32 UTCGHSA enrichment
  25. 2026-09-16 21:27 UTCEG score recompute
Show 3 more
  1. 2026-09-16 20:58 UTCEG score recompute
  2. 2026-09-16 20:42 UTCEG score recompute
  3. 2026-09-16 20:29 UTCMITRE cvelistV5first tracked

Frequently asked(6)

What is CVE-2026-76460?
CVE-2026-76460 is a critical vulnerability published on September 16, 2026. A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request…
When was CVE-2026-76460 disclosed?
CVE-2026-76460 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76460 actively exploited?
Yes. CISA added CVE-2026-76460 to the Known Exploited Vulnerabilities catalog on September 16, 2026, affecting Cisco Identity Services Engine. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-76460?
CVE-2026-76460 has a CVSS v3 base score of 10.0 (NVD).
Which products are affected by CVE-2026-76460?
CVE-2026-76460 affects Cisco Identity Services Engine. 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-2026-76460?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76460, 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-2026-76460

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