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Vulnerability record · public intelligence
CVE-2026-76460
CRITICALCISA KEV
Cisco Identity Services Engine Authentication Bypass Vulnerability
Published Sep 16, 2026 · Updated Oct 23, 2026
Severity · CVSSCRITICAL · 10.0
Known exploitationCISA KEV listed
EPSS / likelihood14.03%
QFinch risk score45 / 100
Original summary
Normalized public record · Updated Oct 23, 2026
Cisco Identity Services Engine Authentication Bypass Vulnerability
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
CVEKEVNVDEPSS
- SSVC priority
- IMMEDIATE
- Confidence
- 45%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Sep 16, 2026 · Last refreshed Oct 23, 2026